From Longman Dictionary of Contemporary EnglishRelated topics: Biologyspermsperm /spɜːm $ spɜːrm/ noun (plural sperm or sperms)1HB[countable] (also sperm cell) a cell produced by the sexorgans of a male person or animal, which is able to join with the femaleegg to produce a new life2[uncountable]HB the liquid from the male sex organs that these cells swim inSYN semen3 →sperm countExamples from the Corpussperm• It makes an interestingcontrast with another relatedhealthissue: falling spermcounts.• Many of his sperm do not even try to fertilize her eggs but instead either attack other sperm or block their passage.• Once it is penetrated by the singlesperm, the egg becomes impervious.• This makes the sperm, like all rapidly developing cells, especially vulnerable to damage from chemicals or radiation.• All were then fertilised with sperm from her husband.Originsperm(1300-1400)Late Latinsperma, from Greek, "seed"