subcostal

Adjective

sub=cos=tal

CIDE DICTIONARY

subcostal, a.

Situated below the costas, or ribs; as, the subcostal muscles. [1913 Webster]

" The subcostal muscles are distinct from, and within, the intercostal." [1913 Webster]

subcostal, n.

A subcostal muscle. [1913 Webster]
One of the principal nervures of the wings of an insect. It is situated next beneath or behind the costal. See Nervure. [1913 Webster]

subcostal, adj. Anat. below the ribs.