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spermatozoon

Pronunciation: /ˌspəːmətə(ʊ)ˈzəʊɒn, spəˌmat-/

Definition of spermatozoon

noun (plural spermatozoa /-ˈzəʊə/)

Biology

the mature motile male sex cell of an animal, by which the ovum is fertilized, typically having a compact head and one or more long flagella for swimming.