Definition of pectoral fin in English:
Each of a pair of fins situated on either side just behind a fish’s head, helping to control the direction of movement during locomotion. They correspond to the forelimbs of other vertebrates.
- Paired pectoral fins and a dorsal fin were present, and the caudal fin was asymmetrical with a large upper lobe.
- One of the fossil's most intriguing aspects is the large, paired spines on the shark's pectoral fins, the side fins used for steering.
- Look at the shape and size of the dorsal fin, pectoral fins, and the caudal fin.
Definition of pectoral fin in:
- British & World English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Australia
Most popular in Malaysia
Most popular in India