| 释义 | 
		bon·er \ˈbōnə(r)\ noun (-s) Etymology: bone (II) + -er 1.  : one that puts bones into garments (as corsets) — called also stayer, steeler 2.  : a low-grade beef animal suitable only for boning out (as for the preparation of canned meats or sausage) 3. [bone (I) + -er]   a.  : a ridiculous and usually embarrassing or painful mistake or slip often arising from a sudden and fortuitous lapse of understanding, tact, or decorum — often used with pull  b.  : a grammatical, logical, or factual blunder in a piece of writing often producing a humorous effect   < a few historical boners … such as dinosaurs surviving until medieval times — Coulton Waugh >   < boners in student themes > Synonyms: see error |