Fillister, fil′is-ter, n. a rabbeting plane used in making window-sashes.

Filly, fil′i, n. a young mare: a lively, wanton girl. [Dim. of foal.]

Film, film, n. a thin skin or membrane: a very slender thread: the coating on a plate prepared to act as a medium for taking a picture.—v.t. to cover with a film, or thin skin.—n. Film′iness.—adj. Film′y, composed of film or membranes. [A.S. filmen, extended from fell, a skin.]

Filoplume, fī′lo-plōōm, n. a long slender feather. [Formed from L. filum, thread, pluma, a feather.]

Filose, fī′lōs, adj. ending in a thread-like process.—n. Filoselle′, ferret or floss silk. [L. filum, thread.]

Filter, fil′ter, n. a contrivance arranged for purifying a liquid of solid insoluble matter by passing it through some porous substance which does not allow the solid particles to pass through.—v.t. to purify liquor by a filter.—v.i. to pass through a filter: to percolate.—ns. Fil′ter-pā′per, porous paper for use in filtering; Fil′ter-pump, a contrivance devised by the chemist Bunsen for accelerating the filtering process. [O. Fr. filtre—Low L. filtrum, felt.]

Filth, filth, n. foul matter: anything that defiles, physically or morally.—adv. Filth′ily.—n. Filth′iness.—adj. Filth′y, foul: unclean: impure. [A.S. fýldhfúl, foul.]

Filtrate, fil′trāt, v.t. to filter or percolate.—n. Filtrā′tion, act or process of filtering.

Fimble, fim′bl, n. the male plant of hemp, yielding a weaker and shorter fibre than the Carl hemp or female plant. [Dut. femel.]

Fimbriate, -d, fim′bri-āt, -ed, adj. fringed.—n. Fim′bria, a fringing filament.—v.t. Fim′briate, to fringe: to hem.—adj. Fim′bricate, fimbriate. [L. fimbriātusfimbriæ, fibres.]