Word Study
subcostal
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]
For further exploring for "subcostal" in Webster Dictionary Online