柯林斯詞典incisor /?n?sa?z?/ (incisors) 1. N-COUNT Your incisors are the teeth at the front of your mouth that you use for biting into food. 門牙; 門齒 返回 incisor劍橋詞典one of the sharp teeth at the front of the mouth that cut food when you bite into it 切牙，門齒 比較canine noun (TOOTH) molar noun 返回 incisor