Definition of subbrachial in English:

subbrachial

Pronunciation /sʌbˈbreɪkɪəl/

adjective

  • 1Zoology
    rare Of a fish: having ventral fins below the pectorals. Of ventral fins: below the pectorals.

  • 2Anatomy Zoology
    Located below, or on the underside of, the forelimb or arm.

  • 3Anatomy
    Located below a brachium (arm-like structure) of the brain.

Origin

Mid 19th century; earliest use found in Encyclopedia Americana. From post-classical Latin subbrachialis under the arm from classical Latin sub- + brachiālis.