Definition of identical twin noun from the Oxford Advanced Learner's Dictionary


identical twin

; NAmE
(specialist monozygotic twin) Relations
jump to other results
either of two children or animals born from the same mother at the same time who have developed from a single egg. Identical twins are of the same sex and look very similar. compare dizygotic twin, fraternal twin See related entries: Relations
See the Oxford Advanced American Dictionary entry: identical twin