Webster's Revised Unabridged Dictionary · 1913

Biffin

Biffin ({not transcribed}) , noun

[Compare Beaufin.]

[Sometimes called beaufin; but properly beefin (it is said), from its resemblance to raw beef.]

1.
A sort of apple peculiar to Norfolk, Eng. — Wright
2.
A baked apple pressed down into a flat, round cake; a dried apple. — Dickens