BIFFIN
Bif"fin, n. Etym: [Cf. Beaufin.]
1. A sort of apple peculiar to Norfolk, Eng.
Note: [Sometimes called beaufin; but properly beefin (it is said), from its resemblance to raw beef.] Wright.
2. A baked apple pressed down into a flat, round cake; a dried apple. Dickens.
BIFID Bi"fid, a. Etym: [L. bifidus; bis twice + root of findere to cleave or split: cf. F. bifide.]
Defn: Cleft to the middle or slightly beyond the middle; opening with a cleft; divided by a linear sinus, with straight margins.
BIFIDATE
Bif"i*date, a. Etym: [L. bifidatus.]
Defn: See Bifid.
BIFILAR
Bi*fi"lar, a. Etym: [Pref. bi- + filar.]
Defn: Two-threaded; involving the use of two threads; as, bifilar suspension; a bifilar balance. Bifilar micrometer (often called a bifilar), an instrument form measuring minute distances or angles by means of two very minute threads (usually spider lines), one of which, at least, is movable; — more commonly called a filar micrometer.