cockle

Any of various edible European bivalve mollusks, of the family Cardiidae, having heart-shaped shells.

His wife, a small woman who walked always on high heels, borrowed Gerhardie's primus stove several times a day to cook her husband gargantuan meals of cockles, mussels, snails, and other such unpalatables.

The shell of such a mollusk.

A wrinkle, pucker

A defect in sheepskin; firm dark nodules caused by the bites of keds on live sheep

Chiefly in cockles of someone's heart: a person's innermost feelings.

To cause to contract into wrinkles or ridges, as some kinds of cloth after a wetting; to pucker.

Any of several field weeds, such as the common corncockle (Agrostemma githago) and darnel ryegrass (Lolium temulentum).

But cockle, spurge, according to their law / Might propagate their kind, with none to awe, / You'd think; a burr had been a treasure trove.