(slang, nonstandard) Alternative form of rules are rules

A palm tree of the species Nypa fruticans. / A liquor made from the sap of nipa palms. / The leaves of the nipa palm, when used as a material for thatching, basketry or other uses.

(informal, rare) Someone with C-cup sized breasts. / (informal, rare) A C-cup sized breast.

An aircraft that generates lift through the flapping of its wings.