in·ci·sor
noun/ɪnˈsaɪzə(r)/
/ɪnˈsaɪzər/
- one of the sharp teeth at the front of the mouth that are used for biting. Humans have eight incisors.
切牙；门齿 Word Originlate 17th cent.: from medieval Latin, literally ‘cutter’, from Latin incis- ‘cut into, engraved’, from the verb incidere, from in- ‘into’ + caedere ‘to cut’.