Meaning of FIN in English

FIN

I. noun Etymology: Middle English ~n, from Old English Date: before 12th century an external membranous process of an aquatic animal (as a fish) used in propelling or guiding the body, something resembling a ~: as, hand , arm , b. an appendage of a boat (as a submarine), an airfoil attached to an airplane for directional stability, flipper 1b, any of the projecting ribs on a radiator or an engine cylinder, ~like adjective ~ned adjective II. verb (~ned; ~ning) Date: 1933 transitive verb to equip with ~s, intransitive verb to show the ~s above the water, to move through water propelled by ~s, III. noun see: five Date: 1916 a 5-dollar bill, IV. abbreviation ~ance; ~ancial, ~ish

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.