pectoral fins
11pectoral fin — n. either of a pair of fins, associated with the pectoral girdle, just behind the head of a fish, corresponding to the forelimbs of a higher vertebrate: see FISH …
12pectoral girdle — the bony support of the pectoral fin behind the gills and usually attached to the posterior part of the skull; the shoulder girdle. Composed of the following basic elements (some of which may be lost): coracoid, scapula, pterygials, postcleithrum …
13pectoral fin — noun Date: 1769 either of the fins of a fish that correspond to the forelimbs of a quadruped …
14pectoral propterygium — the outer or anteriormost basal cartilage in the paired fins …
15pectoral fin — (in fishes) either of a pair of fins usually situated behind the head, one on each side, and corresponding to the forelimbs of higher vertebrates. See illus. under fish. [1760 70] * * * …
16pectoral fin — noun Either of two fins located on each side of a fish just behind the head …
17pectoral fin — noun Zoology each of a pair of fins situated on either side just behind a fish s head …
18pectoral fin — pec′toral fin′ n. ich (in fishes) either of a pair of fins usu. situated behind the head, one on each side, and corresponding to the forelimbs of higher vertebrates • Etymology: 1760–70 …
19pectoral fin — /pɛktrəl ˈfɪn/ (say pektruhl fin) noun (in fishes) either of a pair of lateral fins situated usually behind the head, and homologous with the forelimbs of higher vertebrates …
20pectoral fin — noun either of a pair of fins situated just behind the head in fishes that help control the direction of movement • Hypernyms: ↑fin …
