Hypertext Webster Gateway: "Costal"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Costal \Cos"tal\ (k?s"tal), a. [Cf. F. costal. See {Costa}.]
1. (Anat.) Pertaining to the ribs or the sides of the body;
as, costal nerves.
2. (Bot. & Zo["o]l.) Relating to a costa, or rib.
{Costal cartilage}. See {Cartilage}, and Illust. of {Thorax}.
From WordNet (r) 1.7 (wn)
costal
adj : (anatomy) of or relating to or near a rib
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