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subcostal (not comparable)
- (anatomy) Below a rib or the ribs.
- (entomology) Pertaining to the subcosta and/or the area of the wing next to it.
subcostal (plural subcostals)
- (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.
- (part of insect wing): subcosta
subcostal (plural subcostales)