a. m.

a. m. (not comparable)

1. Alternative form of a.m.
   • 1804 May 26, Caledonian Mercury‎, number 12,905, Edinburgh: Robert Allan:

     Yeſterday at half paſt five a. m. I received information from Captain Hancock, then off Oſtend, that the enemy’s flotilla was hauling out of that pier, and had already twenty-one one-maſted veſſels, and one ſchooner, outſide in the roads;

   • 1823 July 10, The Morning Post‎, number 16,396:

     […]; and remain with the outward bound as per last, except the Mary for Calcutta, which sailed at five a. m.

   • 1930 October 4, Joseph Faus, ““Oh, Miss Dentist!”: Being the ridiculous romance of Oliver Whidden, insurance salesman, who found his love in the cavity of a bad tooth”, in Wisconsin Rapids Daily Tribune, seventeenth year, number 5286, Wisconsin Rapids, Wis., page six:

     Come again Tuesday at 10 a. m. […] TUESDAY at 10 a. m. Mr. Oliver Whidden was no sooner in the chair than the dentistress synchronously began dental and verbal operations.

   • 1958 October 12, Cumberland Sunday Times, volume LXXXIX, number 281, Cumberland, Md., page four:

     He goes into an all-night doughnutery at 3:40 a. m. and falls to talking with the lonely counterman, who is a college student as well and who isn’t satisfied with just selling doughnuts and coffee. He looks into things. THIS SAME young man’s bride, also a college student and part-time researcher, came in at 3:55 a. m and her contribution to lore was that the first home air-conditioning unit was seven feet high, six feet wide and twenty feet long and was installed in the three-story mansion of Charlie Gates, son of John W. (Bet-a-Million) Gates.

• MA, M&A, -ma-, M.A., Ma, ma

Abbreviation of Latin ante meridiem (“before noon”).

a. m.

1. a.m.

• p. m.