(astronomy, geology) A long, narrow, steep-sided depression on a planet (often other than Earth), a moon, or another body in the Solar System. / (astronomy, obsolete, rare) An aurora.

A pearl onion or other sweet onion seasoned and pickled in brine, used as a cocktail garnish.

(mathematics, statistics) Any of a class of techniques for estimating the solution of a numerical mathematical problem by means of a random artificial sampling experiment that simulates the problem.

plural of Johnson bar