Alcaid \Al*caid"\, Alcayde \Al*cayde"\, n. [Sp. alcaide, fr. Ar.
al-q[=a][imac]d governor, fr. q[=a]da to lead, govern.]
1. A commander of a castle or fortress among the Spaniards,
Portuguese, and Moors.
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2. The warden, or keeper of a jail.
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