资料来源 : pyDict

分横脉; 扇形的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Sectorial \Sec*to"ri*al\, a. (Anat.)
   Adapted for cutting. -- n. A sectorial, or carnassial, tooth.

资料来源 : WordNet®

sectorial
     adj : relating to or resembling a sector; "a sectorial box"