Sub‐cos″tal, n. 1. (Anat.) A subcostal muscle.
2. (Zoöl.) One of the principal nervures of the wings of an insect. It is situated next beneath or behind the costal. See Nervure.
Webster's Dictionary 1913
Sub‐cos″tal, n. 1. (Anat.) A subcostal muscle.
2. (Zoöl.) One of the principal nervures of the wings of an insect. It is situated next beneath or behind the costal. See Nervure.