%weed%

n. (Bot.) [ A corruption of ache-weed; F. ache. So named from the likeness of its leaves to those of ache (celery). ] Goutweed. [ 1913 Webster ]

n. (Bot.) A plant of the genus Convolvulus; as, greater bindweed (Convolvulus Sepium); lesser bindweed (Convolvulus arvensis); the white bindweed, the blue bindweed, the Syrian bindweed. The black bryony, or Tamus, is called black bindweed, and the Smilax aspera, rough bindweed. [ 1913 Webster ]

The fragile bindweed bells and bryony rings. Tennyson. [ 1913 Webster ]

n. (Bot.) (a) An umbelliferous plant of the genus Ammi. (b) Goutweed (Ægopodium podagraria). [ 1913 Webster ]

n. (Bot.) A species of Ambrosia (Ambrosia artemisiæfolia); Roman worm wood. Gray. [ 1913 Webster ]

n. a coarse prickly European weed (Echium vulgare) with spikes of blue flowers; naturalized in the U. S.
Syn. -- blue devil, blue thistle, viper's bugloss. [ WordNet 1.5 ]

n. (Bot.) A small white-flowered herb (Samolus Valerandi) found usually in wet places; water pimpernel. [ 1913 Webster ]

n. (Bot.) A plant of the Mint family and genus Lycopus; esp. Lycopus Virginicus, which has mild narcotic and astringent properties, and is sometimes used as a remedy for hemorrhage. [ 1913 Webster ]

n. [ Bole a stem + weed. ] (Bot.) Knapweed. Prior. [ 1913 Webster ]

n. (Bot.) An annual composite plant of the Mississippi valley (Senecio lobatus). [ 1913 Webster ]

n. (Bot.) The name of several plants of the genera Spermacoce and Diodia, of the Madder family. [ 1913 Webster ]

n. a sage of eastern U. S. (Salvia lyrata).
Syn. -- cancer weed. [ WordNet 1.5 ]

n. bog plant (Polygala lutea) of pine barrens of southeastern U.S. having spikes of irregular yellow-orange flowers.
Syn. -- orange milkwort, yellow milkwort, yellow bachelor's button. [ WordNet 1.5 ]

n. 1. a European weed (Hypochaeris radicata) widely naturalized in North America, having yellow flower heads and leaves resembling a cat's ears.
Syn. -- cat's-ear, cat's ear, California dandelion, gosmore. [ WordNet 1.5 ]

2. [ Cape, from the Cape of Good Hope, South Africa + weed. ] a type of low-growing, creeping plant (Arctotheca calendulaceae), used as a ground cover in warm climates. RHUD [ PJC ]

n. (Bot.) See Cleavers. [ 1913 Webster ]

n. (Bot.) The cudweed (Gnaphalium), used to prevent or cure chafing. [ 1913 Webster ]

n. (Bot.) The name of several caryophyllaceous weeds, especially Stellaria media, the seeds and flower buds of which are a favorite food of small birds. [ 1913 Webster ]

n. strong-scented herb (Polanisia graveolens) common in the southern U. S. covered with intermixed gland and hairs.
Syn. -- Polanisia graveolens, Polanisia dodecandra. [ WordNet 1.5 ]

n. [ See Clote. ] Cocklebur. [ 1913 Webster ]

n. (Bot.) Peppergrass. Johnson. [ 1913 Webster ]

n. (Bot.) See Cudweed. [ 1913 Webster ]

n. (Bot.) Same as Cow parsley. [ 1913 Webster ]

n. any of several leguminous plants of Western North America causing locoism in livestock.
Syn. -- locoweed, crazy weed. [ WordNet 1.5 ]

n. [ Apparently fr. cud + weed, but perh. a corruption of cottonweed; or of cut weed, so called from its use as an application to cuts and chafings. ] (Bot.) A small composite plant with cottony or silky stem and leaves, primarily a species of Gnaphalium, but the name is now given to many plants of different genera, as Filago, Antennaria, etc.; cottonweed. [ 1913 Webster ]

n. (Bot.) Cudweed, a species of Gnaphalium. [ 1913 Webster ]

n. Seaweed drifted to the shore by the wind. Darwin. [ 1913 Webster ]

n. (Bot.) A genus (Lemna) of small plants, seen floating in great quantity on the surface of stagnant pools fresh water, and supposed to furnish food for ducks; -- called also duckmeat. [ 1913 Webster ]

n. a South African bulbous wood sorrel (Oxalis cernua) with showy yellow flowers.
Syn. -- Bermuda buttercup, Oxalis pes-caprae, Oxalis cernua. [ WordNet 1.5 ]

n. (Bot.) (a) An American plant (Erechthites hiercifolia), very troublesome in spots where brushwood has been burned. (b) The great willow-herb (Epilobium spicatum). [ 1913 Webster ]

n. (Bot.) A plant (Eryngium fœtidum) supposed to be a remedy for fits. [ 1913 Webster ]

n. (Bot.) See Toadflax. [ 1913 Webster ]

n. (Bot.) An American species of rockrose (Helianthemum Canadense), sometimes used in medicine as an astringent or aromatic tonic. [ 1913 Webster ]

☞ It has large yellow flowers which are often sterile, and later it has abundant but inconspicuous flowers which bear seed. It is so called because, late in autumn, crystals of ice shoot from the cracked bark at the root; -- called also frostwort. [ 1913 Webster ]

{ n. [ So called from having been formerly used in assuaging the pain of the gout. ] (Bot.) A coarse umbelliferous plant of Europe (Aegopodium Podagraria); -- called also bishop's weed, ashweed, and herb gerard. [ 1913 Webster ]

n. (Bot.) See Greenbroom. [ 1913 Webster ]

n. 1. A brown seaweed (Sargassum bacciferum) with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea.
Syn. -- sargassum, sargasso, Sargassum bacciferum. [ WordNet 1.5 ]

n. any of various Western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock.
Syn. -- gum plant, tarweed, rosinweed, rosin-weed. [ WordNet 1.5 ]

n. A common hairy European perennial (Veronica officinalis) with pale blue or lilac flowers in axillary racemes.
Syn. -- common speedwell, Veronica officinalis. [ WordNet 1.5 ]

n. (Bot.) (a) A plant of the genus Hieracium; -- so called from the ancient belief that birds of prey used its juice to strengthen their vision. (b) A plant of the genus Senecio (Senecio hieracifolius). Loudon. [ 1913 Webster ]

n. (Bot.) (a) A common weed (Ambrosia artemisiæge). See Ambrosia, 3. (b) In England, the Heracleum Sphondylium. [ 1913 Webster ]

n. (Bot.) A composite plant (Erigeron Canadensis), which is a common weed. [ 1913 Webster ]

n. (Bot.) A tall weed with purplish flowers (Vernonia Noveboracensis). The name is also applied to other plants of the same genus. [ 1913 Webster ]

(Bot.) The poisonous thorn apple or stramonium (Datura stramonium), a rank weed early noticed at Jamestown, Virginia. See Datura. [ 1913 Webster ]

☞ This name is often corrupted into jimson, jimpson, and gympsum. [ 1913 Webster ]

n. (Bot.) See Impatiens. [ 1913 Webster ]

See Jamestown weed. [ Local, U.S. ]

(Bot.) A tall composite plant of the genus Eupatorium (Eupatorium purpureum), with purplish flowers, and whorled leaves. [ 1913 Webster ]

n. (Bot.) A slender, nearly leafless, American herb (Polygonum articulatum), with jointed spikes of small flowers. [ 1913 Webster ]

n. (Bot.) The black centaury (Centaurea nigra); -- so called from the knoblike heads of flowers. Called also bullweed. [ 1913 Webster ]

n. Same as Knapweed. [ 1913 Webster ]

n. (Bot.) See Knotgrass. [ 1913 Webster ]