stiletto

Từ điển Oxford Advanced Learner 8th

stil·etto [stiletto stilettos] BrE [stɪˈletəʊ] NAmE [stɪˈletoʊ] noun (pl. stil·ettosor stil·ettoes)
1. (also ˌstiletto ˈheel) (especially BrE)a woman's shoe with a very high narrow heel; the heel on such a shoe
Syn: ↑spike heel
2. a small knife with a narrow pointed blade

Word Origin:
early 17th cent.: from Italian, diminutive of stilo ‘dagger’.