noun
1. : a condition of having one of the sexes existing in two forms or varieties
2. : a condition of having the two sexes markedly dissimilar in appearance (as in various birds)
noun
1. : a condition of having one of the sexes existing in two forms or varieties
2. : a condition of having the two sexes markedly dissimilar in appearance (as in various birds)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012