| Alcayde | ‖ /mhw>, n. [ Sp. alcaide, fr. Ar. al-qāīd governor, fr. qāda to lead, govern. ] 1. A commander of a castle or fortress among the Spaniards, Portuguese, and Moors. [ 1913 Webster ] 2. The warden, or keeper of a jail. [ 1913 Webster ] Variants: Alcaid |