Pronunciation: (brā'kē-ul, brak'ē-), [key] Anat., Zool.
1. belonging to the arm, foreleg, wing, pectoral fin, or other forelimb of a vertebrate.
2. belonging to the upper part of such a member, from the shoulder to the elbow.
3. armlike, as an appendage.
a brachial part or structure.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.