ペット

Etymology 1
Borrowed from.

Noun

 * 1) a pet an animal kept as a companion

Etymology 2
Abbreviation of.

Etymology 3
Borrowed from, itself the initialism for polyethylene terephthalate, a common material used to make plastic.

Noun

 * 1) PET polyethylene terephthalate

Usage notes
This sense is seldom used in isolation. Most often encountered in compounds.

Derived terms

 * : a PET bottle → a plastic bottle
 * : a PET plastic bag