(astronomy) The orbital plane passing through a planetary system's barycenter (center of mass) perpendicular to its angular momentum vector.

(astronomy) The plane that passes through the Earth's equator, or by extension the equators of other celestial bodies.

(astronomy) The ecliptic, the plane of the Earth's orbit around the Sun, or by extension the orbital planes of other celestial bodies.

A dialect of the Cree Language spoken primarily in Central Saskatchewan and Alberta.

Alternative form of commonplace

A power plant that uses both natural gas and steam to have higher efficiency of power generation from the same amount of fuel.

A disposable cardboard plate.

The central section of the Coastal Plain of Israel.

(rare) Alternative form of horseplay

(stock market) The buying of company stock based on the belief that an executive in the company will soon die, with the expectation that the stock will rise in price because of it.