Webster's Revised Unabridged Dictionary · 1913

BM

BM , noun

an abbreviation for bowel movement; -- used as an informal euphemism, especially in hospitals. [informal, abbrev.]

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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