A file name extension for a file encoded with MacBinary. See also MacBinary.

ETYM Old Eng. binne, AS. binn manager, crib; perh. akin to Dutch ben, benne, basket, and to Latin benna a kind of carriage (a Gallic word), W. benn, men, wain, cart.
1. A container; usually has a lid.
2. The quantity contained in a bin; SYN. binful.

To store in bins.