Obs. [Sp. alvorada, alborada, musicke giuen at the breake of day (Minsheu) f. albor, alvor, dawn, f. L. albus white.] (See quot.)
1598. Barret, Theor. Warres, 249. Alvarado, a Spanish word, and is the discharging of the morning watch, by the sound of the drumme.