'Intercostal' definitions:
Definition of 'intercostal'
From: WordNet
adjective
Located or occurring between the ribs; "intercostal muscles"
noun
Muscles between the ribs; they contract during inspiration [syn: intercostal, intercostal muscle, musculus intercostalis]
Definition of 'Intercostal'
From: GCIDE
- Intercostal \In`ter*cos"tal\, a. (Anat. & Physiol.) Between the ribs; pertaining to, or produced by, the parts between the ribs; as, intercostal respiration, in which the chest is alternately enlarged and contracted by the intercostal muscles. [1913 Webster]