Co·ma Ber·e·ni·ces /ˈkoməˌbɛrəˈnaɪ(ˌ)siz/
Ber·e·ni·ce's Hair Astron. See Coma Berenices, under Coma.
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.
n : a constellation in the northern hemisphere between Ursa
Major and Bootes; contains a cluster of some 10,000