1. (of an area of land or a building) be next to or have a common boundary with: "gardens abutting Prescott Street"
▪ touch or lean on:"masonry may crumble where a roof abuts it"
Word Originlate Middle English: the sense ‘have a common boundary’ from Anglo-Latin abuttare, from a- (from Latin ad ‘to, at’) + Old French but ‘end’; the sense ‘lean upon’ (late 16th century) from Old French abouter, from a- (from Latin ad ‘to, at’) + bouter ‘strike, butt’, of Germanic origin.
