Cockle is the common name for a group of small, edible, saltwater clams, marine bivalve mollusks in the family Cardiidae.Various species of cockles live in sandy sheltered beaches throughout the world....
A Berwick cockle is a Scotland style confectionary coloured white with red stripes originally associated with Berwick-upon-Tweed, England. They are presumably named in reference to their cockle shape, the moulding process giving a flattened shape with an equatorial rib.... s, a confectionery from Scotland
The phrase 'warm the cockles of one's heart' refers to the ventricle
Ventricle (heart)
In the heart, a ventricle is a heart chamber which collects blood from an atrium and pumps it out of the heart.In a four-chambered heart, such as that in humans, there are two ventricles: the right ventricle pumps blood into the pulmonary circulation for the lungs, and the left ventricle pumps blood into the systemic cir... s of the heart
Heart
The heart is a muscle organ in all vertebrates responsible for pumping blood through the blood vessels by repeated, rhythmic contractions, or a similar structure in annelids, mollusks, and arthropods.... (Latin: cochleae cordis)
