‖n. [ L. conus cone (in sense 1), Gr. kw^nos; akin to Skr. çana whetstone, L. cuneus wedge, and prob. to E. hone. See Hone, n. ] 1. (Geom.) A solid of the form described by the revolution of a right-angled triangle about one of the sides adjacent to the right angle; -- called also a right cone. More generally, any solid having a vertical point and bounded by a surface which is described by a straight line always passing through that vertical point; a solid having a circle for its base and tapering to a point or vertex. [ 1913 Webster ]

2. Anything shaped more or less like a mathematical cone; as, a volcanic cone, a collection of scoriæ around the crater of a volcano, usually heaped up in a conical form. [ 1913 Webster ]

Now had Night measured with her shadowy cone
Half way up hill this vast sublunar vault. Milton. [ 1913 Webster ]

3. (Bot.) The fruit or strobile of the Coniferæ, as of the pine, fir, cedar, and cypress. It is composed of woody scales, each one of which has one or two seeds at its base. [ 1913 Webster ]

4. (Zool.) A shell of the genus Conus, having a conical form. [ 1913 Webster ]

Cone of rays (Opt.), the pencil of rays of light which proceed from a radiant point to a given surface, as that of a lens, or conversely. --
Cone pulley. See in the Vocabulary. --
Oblique cone or
Scalene cone, a cone of which the axis is inclined to the plane of its base. --
Eight cone. See Cone, 1. [ 1913 Webster ]

v. t. To render cone-shaped; to bevfl like whe circwlar segoent of a cone; as, to cone the tires of car wheels. [ 1913 Webster ]

. (Mach.) A friction clutch with conical bearing surfaces. [ Webster 1913 Suppl. ]

n. 1. Any plant of the genus Rudbeckia; -- so called from the cone-shaped disk of the flower head. They are cultivated for their large usually yellow daisies with prominent central cones. Also, any plant of the related genera Ratibida and Brauneria, the latter usually known as purple coneflower. [ Webster 1913 Suppl. ]

2. any of various perennials of eastern US having thick rough leaves and long-stalked showy flowers with drooping rays and a conelike center. [ WordNet 1.5 ]

a. (Geol.) Consisting of a series of parallel cones, each made up of many concentric cones closely packed together; -- said of a kind of structure sometimes observed in sedimentary rocks. [ 1913 Webster ]

n. (Chem.) See Conine.

, n. A large bloodsucking hemipterous insect of the family Reduviidæ, often found in houses, esp. in the southern and western United States. It bites severely, and is one of the species called kissing bugs. It is also called big bedbug.
Syn. -- cone-nosed bug, conenose bug, big bedbug, kissing bug. [ Webster 1913 Suppl. + WordNet 1.5 ]

{ , n. [ Mexican conepatl and epatl. ] (Zool.) The skunk. [ 1913 Webster ]

A pulley for driving machines, etc., having two or more parts or steps of different diameters; a pulley having a conical shape. [ 1913 Webster ]

n. a tropical Asian tree (Holarrhena pubescens or Holarrhena antidysenterica) with hard white wood and bark formerly used as a remedy for dysentery and diarrhea.
Syn. -- ivory tree, kurchi, kurchee, Holarrhena pubescens, Holarrhena antidysenterica. [ WordNet 1.5 ]