Webster
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Webster’s Revised Unabridged Dictionary · 1913

Coma

Co′ma (kō′mȧ), n. [NL., fr. Gr. κῶμα lethargy, fr. κοιμᾶν to put to sleep. See Cemetery.] A state of profound insensibility from which it is difficult or impossible to rouse a person. See Carus.

Co′ma, n. [L., hair, fr. Gr. κόμη.] 1. (Astron.) The envelope of a comet; a nebulous covering, which surrounds the nucleus or body of a comet.

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.

Coma Berenices [L.] (Astron.), a small constellation north of Virgo; — called also Berenice's Hair.

Webster’s Revised Unabridged Dictionary, Noah Porter, editor (Springfield, Mass.: G. & C. Merriam, 1913). Public domain. Text as transcribed by MICRA, Inc., from Project Gutenberg. Changed for Deep Dive Bible: Greek, which our source spelled in Latin letters, set in Greek letters; entries of one spelling merged into one article; Greek words our source left out (shown as “?”), read from the 1898 printing, from the same plates (the Library of Congress’s copy), where the place could be found with certainty.