1. finned - Adjective
2. finned - Verb
Derived from fin
of Fin
Having a fin, or fins, or anything resembling a fin.
Source: Webster's dictionaryEarly aero engines In 1909 Renault pioneered aero V12s with a 60 degree air-cooled engine with individual finned cylinders and F-head valve arrangement, driven by single camshaft in the crankcase. Source: Internet
The exhaust pipes become very hot, with Suzuki opting for a finned exhaust manifold, twin-skinned exhausted pipes with cooling grilles, heatproof pipe wrappings and silencers with heat shields. Source: Internet
Front fenders were taller, with a slight finned effect. Source: Internet
The heads were directly cooled by air, there being three separate aluminum finned heads, each serving two cylinders. Source: Internet
This diagram displays the origins within actinopterygians (ray finned fish). Source: Internet