(1):
(n.) Temper of mind; temporary state of the mind in regard to passion or feeling; humor; as, a melancholy mood; a suppliant mood.
(2):
(n.) Manner; style; mode; logical form; musical style; manner of action or being. See Mode which is the preferable form).
(3):
(n.) Manner of conceiving and expressing action or being, as positive, possible, hypothetical, etc., without regard to other accidents, such as time, person, number, etc.; as, the indicative mood; the infinitive mood; the subjunctive mood. Same as Mode.