Couch less

Without a couch or bed. Cotyledon, ( kot -e-le'dun,) n. [Gr. kotyledon , from koty lē , a cup or hollow ve el.) ( Bot .) The seminal leaf of Couch'ville, in Tenne ee , a P. O. of Davidson co. a plant. This organ forms a part of the embryo, and nourishes the plumule and radicle at their first period of development, before they are able to subsist upon the organizable matter absorbed by the latter from the earth. Exogenous plants have generally two cotyledons, Endogenous plants generally one only; but there are exceptions in both cases. The latter cla of plants seldom elevate their cotyledon above ground, and never convert it into a green leaf-like body, but usually leave it behind them within the integuments of the seed; the former frequently raise their cotyledons above the soil in the form of small green leaves, as in the garden radish; but there are very numerous exceptions to this, as in the pea, the oak, the chestnut, . -pl. ( Anat . ) The lobes which, by their union, form the placenta. The term is also applied, in comparative anatomy, to the tube-shaped vascular productions of the chorion, in Ruminants, serving the office of the placenta. Cotyledon, n. ( Bot . ) The Navelwort , a gen, of plants, ord. Cra ullaceæ . The European species, C. umbilicus , has of late years been frequently employed as a remedy for epilepsy. Cotyledonal, a . Formed like a cotyledon. Cotyledonous, a . Pertaining to cotyledons; having a seed-lobe. Cotyledones, ( kot - il-e-dones,) n. pl. ( Bot . ) A name sometimes applied to the sub-kingdom Phanerogam i a , or flowering plants. See ACOTYLEDONES, and BOTANY. Cotyl'iform. [Gr. kotyle , a cup, and Lat. form a, form.] ( Physiol .) A term used in describing the general form of organs to denote a rotate figure with erect limb. Cotylig'erous, a . Po e ing cotyles. Cotyloid, a. [Gr. kotylē , and eidos , form.] Cup-shaped. ( Anat .) Applied to the hemispherical cavity, situate in the os in nomina tum, which receives the head of the os femoris. Cotytto, CoTYS, ( ko - tit'to .) (Myth.) The godde of all debauchery, whose festivals were celebrated by the ancients during the night.