Grand, 1) principal, chief: “refusing her g. hests,” Tp. I, 2, 274. “this g. liquor,” V, 280 (alluding to the grand elixir of the alchemists). “the g. conspirator,” R2 V, 6, 19. “that excellent g. tyrant of the earth,” R3 IV, 4, 52. “produce the g. sum of his sins,” H8 III, 2, 293. “to unseal their g. commission,” Hml. V, 2, 18. “thy g. captain Antony,” Ant. III, 1, 9. “as petty as is the morndew to his g. sea,” III, 12, 10 (i. e. the ocean).
2) great, mighty: “g. preparation,” Wiv. IV, 5, 89 (Dr. Caius' speech). “under the allowance of your g. aspect,” Lr. II, 2, 112 (Ff great. But grand may here also have the sense of principal, predominant, sovereign).