- an evolutionary process in animals, in which selection by females of males with certain characters, such as large antlers or bright plumage, results in the preservation of these characters in the species
WordReference Random House Unabridged Dictionary of American English © 2026
sex′ual selec′tion, [Biol.]
- Biologya special type of natural selection in which the sexes acquire distinct forms either because the members of one sex choose mates with particular features or because in the competition for mates among the members of one sex only those with certain traits succeed.
Collins Concise English Dictionary © HarperCollins Publishers::
sexual selection n
'sexual selection' also found in these entries (note: many are not synonyms or translations):