pao

Definitions

1. Initialism of period after opening.
   abbreviation, alt-of, initialism
2. A surname.
3. A fairy chess piece which moves identically to the xiangqi cannon, moving orthogonally and must hop over a piece of either side to capture.
4. Initialism of polyalphaolefin.
   abbreviation, alt-of, initialism

Equivalents

CEFR level