a. [SUB- 1 a, b.]
1. Zool., etc. Situated beneath the breast or pectus.
1834. McMurtrie, Cuviers Anim. Kingd., 195. The subpectoral rays.
1872. T. Bryant, Pract. Surg., 154. The subpectoral glands.
2. Emanating from the depths of the chest.
1871. Meredith, Harry Richmond, xlvi. A muffled rattle of subpectoral thunder discharged at her in quick, heated snaps.