a tooth for cutting or gnawing; located in the front of the mouth in both jaws
incisor详细解释
in.ci.sor n.Abbr. i.（名词）缩写 i.A tooth adapted for cutting or gnawing, located at the front of the mouth along the apex of the dental arch.门牙：用于切或撕咬的牙齿，位于口前部沿着齿弓顶端
