subcostal

/S AH0 B K AA1 S T AH0 L/
noun
  1. 1

    A subcostal muscle.

  2. 2

    One of the principal nervures of the wings of an insect. It is situated next beneath or behind the costal.

Synonyms

adjective
  1. 1

    Below a rib or the ribs.

  2. 2

    Pertaining to the subcosta and/or the area of the wing next to it.

Source: https://en.wiktionary.org/wiki/subcostal