FEATHERING n. 3 definitions
crew (Naut.), a screw propeller, of which the blades may be turned so as to move edgewise through the water when the vessel is moving under sail alone. -- Feathering wheel (Naut.), a paddle wheel whose floats turn automatically so as to dip about perpendicularly into the water and leave in it the same way, avoiding be…
FILTER n. 4 definitions
Any porous substance, as cloth, paper, sand, or charcoal, through which water or other liquid may passed to cleanse it from the solid or impure matter held in suspension; a chamber or device containing such substance; a strainer; also, a similar device for purifying air. Filter bed, a pond, the bottom of which is a fil…
FINGER n. 11 definitions
See Dactylology. -- Finger bar, the horizontal bar, carrying slotted spikes, or fingers, through which the vibratory knives of mowing and reaping machines play. -- Finger board (Mus.), the part of a stringed instrument against which the fingers press the strings to vary the tone; the keyboard of a piano, organ, etc.;…