Calves are young animals. The term is mainly used for cattle, although whales and elephants also have calves.

A cattle calf is a child of a cow and a bull. The plural is calves. Calf meat is called veal. Fine calf skin used for pages in early codexes is called pergamon.

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The calf is also a pair of muscles, the gastrocnemius muscle and soleus muscle , at the back of the lower human leg.