‖n.; pl. Algæ or algae [ L., seaweed. ] (Bot.) A kind of seaweed; pl. the class of cellular cryptogamic plants which includes the black, red, and green seaweeds, as kelp, dulse, sea lettuce, also marine and fresh water confervæ, etc. The algae are primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves. [ 1913 Webster + WordNet 1.5 ]

n. plural of alga. [ WordNet 1.5 ]

a., (Bot.) Pertaining to, or like, algæ. [ 1913 Webster ]

‖n. [ Sp. algarroba, fr. Ar. al-kharr&unr_;bah. Cf. Carob. ] (Bot.) (a) The Carob, a leguminous tree of the Mediterranean region; also, its edible beans or pods, called St. John's bread. (b) The Honey mesquite (Prosopis juliflora), a small tree found from California to Buenos Ayres; also, its sweet, pulpy pods. A valuable gum, resembling gum arabic, is collected from the tree in Texas and Mexico. [ 1913 Webster ]

{ } n. [ F. algaroth, fr. the name of the inventor, Algarotti. ] (Med.) A term used for the Powder of Algaroth, a white powder which is a compound of trichloride and trioxide of antimony. It was formerly used in medicine as an emetic, purgative, and diaphoretic. [ 1913 Webster ]

‖n. The agglutinated seeds and husks of the legumes of a South American tree (Inga Marthae). It is valuable for tanning leather, and as a dye. [ 1913 Webster ]

{ } adv. [ All + gate way. The s is an adverbial ending. See Gate. ] 1. Always; wholly; everywhere. [ Obs. ] [ 1913 Webster ]

Ulna now he algates must forego. Spenser. [ 1913 Webster ]

☞ Still used in the north of England in the sense of “everywhere.” [ 1913 Webster ]

2. By any or means; at all events. [ Obs. ] Fairfax. [ 1913 Webster ]

3. Notwithstanding; yet. [ Obs. ] Chaucer. [ 1913 Webster ]

n. [ Ar. al the + ghazāl. ] (Zool.) The true gazelle. [ 1913 Webster ]