Initialism of pelvic inflammatory disease. / Initialism of personal identification device. / (algebra) Initialism of principal ideal domain. / (computing) Initialism of process identifier.

plural of PID

(linguistics) An amalgamation of two disparate languages, used by two populations having no common language as a lingua franca to communicate with each other, lacking formalized grammar and having a small, utilitarian vocabulary and no native speakers.

(Britain, Australia, euphemistic slang) Piss: urine. / (Britain, Australia, euphemistic slang) A piss: an act of urination. / (Britain, figuratively) Nonsense or a trivial matter.

(intransitive) Often followed by about or around: to act or work ineffectually and wastefully. / (intransitive, obsolete) Synonym of peck: to attack or eat with a beak.

Insignificant, negligible, paltry, trivial, useless.

present participle of piddle

A small river in Dorset, England. / A brook in Worcestershire, England.

Any of the bivalve molluscs of the genus Pholas or family Pholadidae, which burrow into soft rocks.

plural of piddock