early 15c., "act of setting free from bondage," also "action of handing over to another," from Anglo-French delivrée, noun use of fem. past participle of Old French delivrer (see deliver). Sense of "childbirth, giving forth of offspring" is by 1570s; that of "manner of utterance or enunciation" is from 1660s. Of a blow, throw of a ball, etc., "act of sending or putting forth," from 1702. The hospital's childbirth delivery room is attested by 1849 (in early use often in a German context, translating Kreisszimmer).
updated on July 22, 2018