filoplume

‘far-ls,proum n. a thredzlike or hairclike fether; a thredfether. fin fn n. 4. an organ attacht to any one of various parts of the body of a fish or whale, which servs for steerrng or propelling in the water; also, a stmzlar organ in other animals, as the flipper of a seal, the medzfied wing of a pigeon, etc. 2. any relatrvly small aeroferl or plane which resembles the fin of a fish or other animal, such as a vertical tail piece; a vertrcal stabzlizing-rudder. directive fin, a f1n whose function is purely directiv, as the fether of an arrow: distinguisht from abutmentzfin. following fin, a f1n which fellows, or trails along at the after end of an advancing air-craft; a rear fin: distinguisht from leading fin. leading fin, a f1n which leads or eccupies a position in the forward part of an advancing aircraft; a front fin: distinguisht from following fin..