secondary sex characteristic
noun
: a physical characteristic (such as the breasts of a female mammal or the breeding plumage of a male bird) that appears in members of one sex at puberty or in seasonal breeders at the breeding season and is not directly concerned with reproduction
called also secondary sexual characteristic
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“Secondary sex characteristic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/secondary%20sex%20characteristic. Accessed 26 Nov. 2024.
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