late 15c., "instrument for bending," agent noun from bend (v.). Slang meaning "drinking bout" is American English, attested from 1846, perhaps from the Scottish sense of "a hard drinker" (1728).
实用例句
1. to go on a bender
饮酒作乐来自《权威词典》
2. Here's an amusing reference to Escher's 1953 Relativity when Fry and Bender look for an apartment.
