costal Meaning, Definition & Usage

  1. adjective of or relating to or near a rib

WordNet

Cos"tal adjective
Etymology
Cf. F. costal. See Costa.
Definitions
  1. (Anat.) Pertaining to the ribs or the sides of the body; as, costal nerves.
  2. (Bot. & Zoöl.) Relating to a costa, or rib.

Webster 1913