spermatozoon

Etymology

From Ancient Greek σπέρμα (spérma, “sperm”) + ζῷον (zôion, “living thing”).

noun

  1. (cytology) A reproductive cell or gamete of a male, carried in semen, that fertilizes an ovum to produce a zygote.
    But let us suppose … that one hardy or lucky spermatozoon has reached the waiting egg. 2019, Bill Bryson, The Body: A Guide for Occupants, Black Swan (2020), page 339

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