Definition of sperm in English:

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Pronunciation: /spəːm/

noun (plural same or sperms)

1 [mass noun] Semen.
Example sentences
  • If there is a problem with the male partner sperm, then sperm from an anonymous donor may be used.
  • Males taking thalidomide should not donate sperm or blood.
  • It's those bad boys swinging away down low that produce the two things - testosterone and sperm - that determine what kind of man you are.
1.1 [count noun] A spermatozoon.
Example sentences
  • Hennig is now doing research into how DNA works in the cell after connection of sperms and eggs.
  • Fertility scientists like Trounson say it is only a matter of time before the technique is also used to develop sperm and eggs cells, making infertility a thing of the past.
  • In the sex cells, the sperms and eggs, chromosomes come in singles.
2 short for sperm whale.
Example sentences
  • They claim that after 15 years, many species of whale, particularly the minke and the sperm, have recovered sufficiently so that as many as a couple of thousand a year can be sustainably harvested.
2.1 [mass noun] short for spermaceti or sperm oil.


Late Middle English: via late Latin from Greek sperma 'seed', from speirein 'to sow'.

Words that rhyme with sperm

affirm, berm, confirm, firm, germ, herm, midterm, perm, squirm, term, therm, worm

For editors and proofreaders

Line breaks: sperm

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