Tiercel
Pronunciation : Tier"cel, Tierce"let
Part of Speech : n.
Etymology : [OE. tercel, tercelet, F. tiercelet, a dim. of (assumed) tiercel, or LL. tertiolus, dim. fr. L. tertius the third; -- so called, according to some, because every third bird in the nest is a male, or, according to others, because the male is the third part
Definition : Defn: The male of various falcons, esp. of the peregrine; also, the male of the goshawk. Encyc. Brit.
Source : Webster's Unabridged Dictionary, 1913