n. Mind; heart.n. Temper of mind; state of the mind as regards passion or feeling; disposition; humor: as, a melancholy mood.n. Heat of temper; anger.n. Zeal: in the phrase with main and mood, with might and main; with a will.n. A morbid or fantastic state of mind, as a fit of bad temper, sudden anger, or sullenness; also, absence of mind, or abstraction: generally used in the plural.n. A state of mind with reference to something to be done or omitted; a more or less capricious state of feeling disposing one to action: commonly in the phrase in the mood: as, many artists work only when they are in the mood.n. In grammar, same as mode, 3.n. In logic, a variety of syllogism depending on the quantity (universal or particular) and quality (affirmative or negative) of the propositions composing it.n. In music, same as mode, 7.n. Mother-of-vinegar.