calf /kɑːf $ kæf/ BrE AmE noun ( plural calves /kɑːvz $ kævz/) [countable]
[ Sense 1: Date: 1300-1400 ; Language: Old Norse ; Origin: kalfi ]
[ Sense 2-3: Language: Old English ; Origin: cealf ]
1 . the part of the back of your leg between your knee and your ↑ ankle
2 . the baby of a cow, or of some other large animals, such as an ↑ elephant
3 . be in/with calf if a cow is in or with calf, it is going to have a baby
⇨ kill the fatted calf at ↑ kill 1 (15)