Fer`-de-lance" (?), n. [F., the iron of a lance, lance head.] Zool.
A large, venomous serpent (Trigonocephalus lanceolatus<-- now Bothrops atrox-->) of Brazil and the West Indies. It is allied to the rattlesnake, but has no rattle.
<-- also in Central America. -->
© Webster 1913.