1 entry 1 source
Air Sac
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
One of the spaces in different parts. of the bodies of birds, which are filled with air and connected with the air passages of the lungs; an air cell.
1 entry 1 source
Part of speech: noun (n.)
One of the spaces in different parts. of the bodies of birds, which are filled with air and connected with the air passages of the lungs; an air cell.