(medicine) Initialism of porcine intestinal adenomatosis. / Initialism of personal injury accident. / (sexuality) Initialism of penis in anus.

The profession of a bodyguard, protecting another from harm.

A swift, shallow part of a stream causing broken water. / A succession of small waves.

A technique for painting metal structures that have many holes or cavities; paint is sprayed through a grid of wires that forms one electrode onto the structure to be painted which forms the other ...