Coma ¹

Definition: A state of profound insensibility from which it is difficult or impossible to rouse a person. See Carus.

Coma ²

Definition: The envelope of a comet; a nebulous covering, which surrounds the nucleus or body of a comet.

Coma ³

Definition: 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.

coma ⁴

Definition: a state of deep and often prolonged unconsciousness; usually the result of disease or injury

coma ⁵

Definition: (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed

coma ⁶

Definition: a usually terminal tuft of hairs especially on a seed