noun

1. a particular state of mind or feeling; humor, or temper
2. a predominant or pervading feeling, spirit, or tone
3. fits of morose, sullen, or uncertain temper
4. Obsolete anger

Etymology: ME < OE mod, mind, soul, courage, akin to Ger mut, mental disposition, spirit, courage < IE base *me-, to strive strongly, be energetic > L mos, custom, customary behavior

noun

1. Gram.
   1. a characteristic of verbs that involves the speaker's attitude toward the action expressed, indicating whether this is regarded as a fact (indicative mood), as a matter of supposition, desire, possibility, etc. (subjunctive mood), or as a command (imperative mood); also, an analytic category based on this characteristic (mood is shown by inflection, as in Latin, or analytically with auxiliaries, as English may, might, should, or by both)
   2. any of the forms a verb takes to indicate this characteristic
2. Logic any of the various forms of valid syllogisms, as determined by the quantity and quality of their constituent propositions

Etymology: < mode, altered after mood