razor

Từ điển Oxford Advanced Learner 8th

razor [razor razors razored razoring] BrE [ˈreɪzə(r)] NAmE [ˈreɪzər] noun
an instrument that is used for shaving
•an electric razor
•a cut-throat/safety/disposable razor
compare ↑shaver
Idioms: ↑on a razor edge ▪ ↑on the razor's edge

Word Origin:
Middle English: from Old French rasor, from raser ‘shave closely’, from Latin ras- ‘scraped’, from the verb radere.

Example Bank:
•He slashed his wrists with a razor.
•He was armed with a cut-throat razor.
•We used a razor to cut the string.
•a mugger who slashed a man with a cut-throat razor