Ber·e·ni·ce's Hair Astron. See Coma Berenices, under Coma.
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Co·ma, n.
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 Astron., a small constellation north of Virgo; -- called also Berenice's Hair.
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