To be obliged; to be necessitated; -- expressing either physical or moral necessityTo be morally required; to be necessary or essential to a certain quality, character, end, or resultn. The expressed juice of the grape, or other fruit, before fermentation.n. Mustiness.v. To make musty; to become musty.adj. Being in a condition of dangerous frenzy, usually connected with sexual excitement; -- said of adult male elephants which become so at irregular intervals, typicaly due to increased testosterone levels.