1. A Latin prefix signifying two, twice, or twofold.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• bisy,
• boi,
• bui,
• bv,
• fi,
• bei,
• bf,
• bis,
• bigg,
• bip,
• biy,
• behi,
• bu,
• bj,
• bx,
• beif,
• abi,
• bim,
• bn,
• bkie

• bib,
• bid,
• fbi,
• bin,
• be,
• obi,
• be-,
• by,
• b.a.,
• b.c.,
• bit,
• big,
• i,
• b's,
• ba,
• br,
• bu.,
• ni,
• b.s.,
• rbi,
• bi-,
• B.

The adjective form of the word "bi" is "bilateral".

The plural of the "bi" can be the "bis".

The singular of the "bi" can be the "bi".