(Australia) The weed Emex australis. / A seed vessel of this plant, which has three symmetrically arranged thorns and a pointed head.

plural of three-cornered jack

The ring on a cannon next behind the muzzle ring.

A kind of beam engine used mainly for pumping water from mines. A heavy pump rod or plunger, raised by the steam, forces up the water by its weight in descending.

plural of Cornish engine

(chemistry, obsolete) horn silver, or fused silver chloride, a tough, brown, translucent mass

Alternative form of cornerman

The quadripoint at the borders of Colorado, New Mexico, Arizona and Utah, and the region surrounding it. / A type of patience card game.

An outdoor team game of Celtic origin played in Cornwall, England, with a small silver ball.

A kind of hedge built of stone and earth, found in Cornwall, England.