subcostal

sub- +‎ costal

subcostal (not comparable)

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

subcostal (plural subcostals)

1. (anatomy) A subcostal muscle.
2. (zoology) One of the principal nervures of the wings of an insect, situated next beneath or behind the costal.

• (part of insect wing): subcosta

From sub- +‎ costal.

subcostal m or f (masculine and feminine plural subcostales)

1. (anatomy) subcostal (below a rib or the ribs)

• “subcostal”, in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014