a flattened appendage on various parts of the body of many aquatic vertebrates, including fish and cetaceans, and some invertebrates, used for propelling, steering, and balancing.
an underwater swimmer’s flipper.
a small flattened projecting surface or attachment on an aircraft, rocket, or car, for providing aerodynamic stability.
a flattened projection on a device, used for increasing heat transfer.
ზმნა
Universal
swim under water by means of flippers:we finned along the side of the wreck
