&fist; Many plants, as the bean and the maple, have two cotyledons, the grasses only one, and pines have several. In one African plant (Welwitschia) the cotyledons are permanent and grow to immense proportions.
Cot`y*led"on*al (k?t`?-l?d"?n-a]/>l), a. Of, pertaining to, or resembling, a cotyledon.
Cot`y*led"on*a*ry (-?-r?), a. Having a cotyledon; tufted; as, the cotyledonary placenta of the cow.
Cot`y*led"on*ous (-?s; 277), a. Of or pertaining to a cotyledon or cotyledons; having a seed lobe.
Co*tyl"i*form (k?-t?l"?-f?rm), a. [Cotyle + -form.] (Zo÷l.) Shaped like a cotyle or a cup.
Cot`y*lig"er*ous (k?t`?-l?j"?r-?s), a. [Cotyle + -gerous.] (Zo÷l.) Having cotyles.
Cot"y*loid (k?t"?-loid), a. [Cotyle + -oid] (Anat.) (a) Shaped like a cup; as, the cotyloid cavity, which receives the head of the thigh bone. (b) Pertaining to a cotyloid cavity; as, the cotyloid ligament, or notch.
||Cou"cal (k??"k?l), n. [Prob. native name.] (Zo÷l.) A large, Old World, ground cuckoo of the genus Centropus, of several species.
Couch (kouch), v. t. [imp. & p. p. Couched (koucht); p. pr. & vb. n. Couching.] [F. coucher to lay down, lie down, OF. colchier, fr. L. collocare to lay, put, place; col- + locare to place, fr. locus place. See Locus.]