Easton’s Bible Dictionary

Cockatrice

The mediaeval name (a corruption of “crocodile”) of a fabulous serpent supposed to be produced from a cock’s egg. It is generally supposed to denote the cerastes, or “horned viper,” a very poisonous serpent about a foot long. Others think it to be the yellow viper (Daboia xanthina), one of the most dangerous vipers, from its size and its nocturnal habits (Isa. 11:8; 14:29; 59:5; Jer. 8:17; in all which the Revised Version renders the Hebrew tziph’oni by “basilisk”). In Prov. 23:32 the Hebrew tzeph’a is rendered both in the Authorized Version and the Revised Version by “adder;” margin of Revised Version “basilisk,” and of Authorized Version “cockatrice.”

Cockatrice in Nave’s Topical Bible4 references, arranged by theme

Easton’s Bible Dictionary (1897), public domain. Text via Theographic Bible Metadata, CC BY-SA 4.0.