sec·to·ri·al /sɛkˈtoriəl, ˈtɔr-/ 分橫脈; 扇形的
sectorial 扇區
Sec·to·ri·al a. Anat. Adapted for cutting. -- n. A sectorial, or carnassial, tooth. ◄ ►
sectorial adj : relating to or resembling a sector; "a sectorial box"