Definition of cockle

• n. - A bivalve mollusk, with radiating ribs, of the genus Cardium, especially C. edule, used in Europe for food; -- sometimes applied to similar shells of other genera.
• n. - A cockleshell.
• n. - The mineral black tourmaline or schorl; -- so called by the Cornish miners.
• n. - The fire chamber of a furnace.
• n. - A hop-drying kiln; an oast.
• n. - The dome of a heating furnace.
• v. t. - To cause to contract into wrinkles or ridges, as some kinds of cloth after a wetting.
• n. - A plant or weed that grows among grain; the corn rose (Luchnis Githage).
• n. - The Lotium, or darnel.