fin
Concise Oxford English Dictionary © 2008 Oxford University Press:
fin/fɪn/
▶noun
- 1 a flattened appendage on the body of a fish or other aquatic animal, used for propelling, steering, and balancing.
■ an underwater swimmer's flipper.
- 2 a small flattened projecting surface or attachment on an aircraft, rocket, or car, for providing aerodynamic stability.
- 3 a flattened projection for increasing heat transfer from an object.
– derivatives
finless adjective,
finned adjective.
finless adjective,
finned adjective.
– origin OE finn, fin, of Gmc origin.
'fin' also found in these Oxford entries:
ad fin.
- adipose fin
- anal fin
- bowfin
- caudal fin
- chimera
- coelacanth
- dolphin
- dorsal fin
- finance
- finback
- fin de siècle
- fine
- fine
- fingering
- finial
- fin whale
- grayling
- gunnel
- humpback whale
- hydroplane
- killer whale
- Moorish idol
- paddle
- pectoral fin
- pelvic fin
- perch
- pinna
- pinni-
- pinniped
- pinnule
- porpoise
- pump and dump
- radial
- rorqual
- sail
- sailfish
- sea bass
- Sergeant Baker
- shark
- skeg
- St Peter's fish
- tail fin
- ventral fin
- vertical stabilizer
- whale

