I. ˈplu̇rəl, ˈplür- adjective
Etymology: pleur- + -al
1. : of or relating to the pleura or the sides of the thorax
2. : of or relating to a pleuron or pleurite
II. noun
( -s )
Etymology: pleur- + -al
1. : a bony process in a turtle lying superficial to the ribs and uniting them and thereby forming most of the carapace
2. : a rib or long ray of bone articulating with a vertebra and extending ventrally into the abdominal wall of a fish