(1):
(n.) Being in a condition of dangerous frenzy, usually connected with sexual excitement; - said of adult male elephants which become so at irregular intervals.
(2):
(v. i. / auxiliary) To be obliged; to be necessitated; - expressing either physical or moral necessity; as, a man must eat for nourishment; we must submit to the laws.
(3):
(v. i. / auxiliary) To be morally required; to be necessary or essential to a certain quality, character, end, or result; as, he must reconsider the matter; he must have been insane.
(4):
(n.) The expressed juice of the grape, or other fruit, before fermentation.
(5):
(n.) Mustiness.
(6):
(v. t. & i.) To make musty; to become musty.
(7):
(n.) An elephant in must.
(8):
(n.) The condition of frenzy.