(UK) Initialism of permanent undersecretary.

A whitish-yellow or yellow substance composed primarily of dead white blood cells and dead pyogenic bacteria; normally found in regions of bacterial infection.

(rare) To emit pus.

plural of PU

An appetizer, in American Chinese or Hawaiian cuisine.

A county of Linfen, Shanxi, China.

(computing) Initialism of processing unit. / (linguistics) Initialism of prosodic unit. (IU for intonation unit is preferred) / (organic chemistry) Initialism of polyurethane. / Initialism of power unit.

(slang) Alternative form of P U; expression used when encountering a displeasing smell; exaggerated pronunciation of pew.

simple past tense and past participle of pue

(US, dialect) corpulent; obese