3. (Surg.)
Defn: An instrument used to raise and support the tongue during the cutting of the frænum.
4. (Glove Making)
Defn: The forked piece between two adjacent fingers, to which the front and back portions are sewed. Knight.
FOUR-CORNERED
Four"-cor`nered, a.
Defn: Having four corners or angles.
FOUR-CYCLE
Four"-cy`cle, n. (Thermodynamics)
Defn: A four-stroke cycle, as the Otto cycle, for an internal- combustion engine. — Four"-cy`cle, a.
FOURDRINIER
Four`dri`nier", n.
Defn: A machine used in making paper; — so named from an early inventor of improvements in this class of machinery.