1. (noun)coma, comatoseness a state of deep and often prolonged unconsciousness; usually the result of disease or injury
2. (noun)coma (botany) a usually terminaltuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds)
3. (noun)coma (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed
Definition of 'COMA'
