Definition from Wiktionary, the free dictionary
Named in antiquity after the hair of Queen Berenice II of Egypt. From Latin coma (“hair of the head”) + Berenīcē, from Ancient Greek Κώμη Βερενίκης (Kṓmē Bereníkēs), from κώμη (kome) "hair" + Doric Greek Βερενίκη (Berenike) "bringer of victory"
- (astronomy) A small dim summer constellation of the northern sky, said to represent an offering of hair from Queen Berenice II of Egypt. Originally considered to represent the tuft of hair on the end of Leo's tail.