spermatozoa

/S P ER0 M AH0 T AH0 Z OW1 AH0/
noun
  1. 1

    A reproductive cell or gamete of a male, carried in semen, that fertilizes an ovum to produce a zygote.

Source: https://en.wiktionary.org/wiki/spermatozoa, https://en.wiktionary.org/wiki/spermatozoon