Cō'mā1, n.
n. [Gr. κῶμα, lethargy, from κοιμᾶν, to put to sleep, passive, to fall asleep, akin to κεῖσθαι, to lie.] (Med.) A profound state of sleep, from which it is difficult to rouse a person; lethargy. Dunglison.
2 entries under this word
Coma
Cō'mā2, n.
n. [Lat. coma, Gr. κόμη, hair of the head, tail of a comet.]
Sense 1. (Astron.) The envelope of a comet; a dense nebulous covering, which surrounds the nucleus or body of a comet.
Sense 2. (Bot.) A tuft or bunch; as the assemblage of branches forming the head of a tree; or a cluster of bracts when empty and terminating the inflorescence of a plant; or a tuft of long hairs on certain seeds.
Lindley.