# a.m.

> English word · Adverb

## Definitions
1. In the 12-hour period from midnight to noon (the first half of the day) when using the 12-hour clock.

## Etymology
Abbreviation of ante meridiem (“before noon”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/a-m