Definitions for picadorˈpɪk əˌdɔr, ˌpɪk əˈdɔr; -ˈdɔr iz
Random House Webster's College Dictionary
pi•ca•dorˈpɪk əˌdɔr, ˌpɪk əˈdɔr; -ˈdɔr iz(n.)(pl.)-dors, -do•res
one of the mounted assistants to a matador, who opens a bullfight by jabbing the bull's shoulder muscles with a lance.
Origin of picador:
1790–1800; < Sp: lit., pricker =pic(ar) to prick (see pique1 ) +-ador < L -ātor -ator
the horseman who pricks the bull with a lance early in the bullfight to goad the bull and to make it keep its head low
A lancer mounted on horseback who assists a matador.
I saw the picador lance the bull.
a horseman armed with a lance, who in a bullfight receives the first attack of the bull, and excites him by picking him without attempting to kill him
The Nuttall Encyclopedia
a man mounted on horseback armed with a spear to incite the bull in a bull-fight.