Either of two children or animals brought forth at a birth. See examples of twin used in a sentence. One twin, the 'donor' twin, is small and anemic, the other, the 'recipient' twin, is large and polycythemic.

Either of two children born to the same mother on the same occasion: One of two very similar. Learn more. There are different types of twins, identical and fraternal being the most common. Identical, or monozygotic, twins develop from the same fertilized egg that splits into two. These twins are The meaning of twin is either of two offspring produced in the same pregnancy.

Identical, or monozygotic, twins develop from the same fertilized egg that splits into two. These twins are The meaning of twin is either of two offspring produced in the same pregnancy. How to use twin in a sentence.