armada (n.) Look up armada at
"fleet of warships," 1530s (erroneously, as armado), from Spanish armada "an armed force," from Medieval Latin armata (see army). Especially of the "Invincible Armada" of Philip II of Spain (1588). Current form of the word is from 1590s. The Spanish Armada of 1588 was so called by 1613; Invincible Armada attested by 1632.