coma
1. co.ma \'ko--m*\ n [NL, fr. Gk ko-ma deep sleep] 1: a state of profound unconsciousness caused by disease, injury, or poison 2: a state of mental or physical sluggishness : TORPOR 2. coma \-.me-, -.mi-\ n or co.mae [L, hair, fr. Gk kome-] pl 1: a tufted bunch (as of hairs) 2: the head of a comet usu. containing a nucleus 3: spherical aberration in which the image of a point source is a comet-sha ped blur