cockatrice noun. ['kɒkǝtrʌɪs, -trɪs] LME.
[Old French cocatris from medieval Latin calcatrix, cauc- fem. agent-noun from Latin calcare to tread, track, from calx heel, rendering Greek ikhneumōn tracker (see ICHNEUMON).]
1. A fabulous reptile, whose gaze or breath is fatal, hatched by a serpent from a cock's egg; a basilisk. LME.
b. Chiefly Heraldry. A monster represented as a two-legged dragon (or wyvern) with a cock's head and a barbed tongue. E16.

2. fig.
a. A malicious or destructive person. Cf. BASILISK 2. E16.
b. A prostitute, a whore. L16-M18.

[TahlilGaran] English Dictionary ▲