1. bu - Noun
2. bu - Adjective
3. Bu - Proper noun
Abbreviation of bushel (a unit of weight or dry measure).
Clipping of bureau.
(Can we add an example for this sense?)
Bu (uncountable)
(chemistry) Abbreviation of butyl.
Initialism of Baylor University.
Initialism of Boston University.
Initialism of Bournemouth University.
(nautical) Initialism of broken up: referring to the scrapping of a decommissioned ship.
(numismatic slang) Initialism of brilliant uncirculated.
Source: en.wiktionary.org