(entomology) In the area of the subcosta and/or the area of the wing next to it.

(anatomy) Below a rib or the ribs. / (entomology) Pertaining to the subcosta and/or the area of the wing next to it.

(anatomy) A subcostal muscle. / (zoology) One of the principal nervures of the wings of an insect. It is situated next beneath or behind the costal.

plural of subcostal

Somewhat or nearly costate.