2. Conic sections.

CONIDIUM
Co*nid"i*um, n.; pl. Conida. Etym: [NL.] (Bot.)

Defn: A peculiar kind of reproductive cell found in certain fungi, and often containing zoöspores.

CONIFER Co"ni*fer, n. Etym: [L. conifer; conus cone + ferre to bear: cf. F. conifère.] (Bot.)

Defn: A tree or shrub bearing cones; one of the order Coniferae, which includes the pine, cypress, and (according to some) the yew.

CONIFERIN
Co*nif"er*in, n. (Chem.)

Defn: A glucoside extracted from the cambium layer of coniferous trees as a white crystalline substance.

CONIFEROUS Co*nif"er*ous, a. (a) Bearing cones, as the pine and cypress. (b) Pertaining to the order Coniferae, of which the pine tree is the type.

CONIFORM
Co"ni*form, a. Etym: [Cone + -form: cf. F. coniforme.]

Defn: Cone-shaped; conical.