(agriculture) Initialism of aggregate measurement of support. / (computing) Initialism of application management software. / (medicine) Initialism of altered mental status.

(US, mathematics) Initialism of American Mathematical Society. / (US, meteorology) Initialism of American Meteorological Society.

plural of 'am

Abbreviation of Amazonas (state of Brazil) / (music) Initialism of Arctic Monkeys.

(timekeeping) Initialism of Anno Mundi. (Latin for in the year of the world)

(sometimes lower case, often punctuated) Initialism of ante meridiem (borrowed from Latin); before noon.

(education) Initialism of Artium Magister. / (education) Initialism of Master of Arts.

first-person singular present indicative of be

(informal or dialectal) Contraction of I am.

Alternative spelling of a.m.