Definition of semen in US English:



  • The male reproductive fluid, containing spermatozoa in suspension.

    • ‘The prostate produces a thick, white fluid called semen that mixes with the sperm when it is ejaculated in male orgasm.’
    • ‘After a few days, the body has natural ways of releasing the extra semen and sperm.’
    • ‘Surgical sperm collection may be suitable for men who have no sperm at all in their semen.’
    • ‘However, you will not know whether you are producing sperm when you ejaculate until your doctor has checked a sample of semen.’
    • ‘The prostate is a male sex gland that produces a fluid that forms part of the semen.’
    • ‘It surrounds the urethra, the tube which carries urine, and secretes fluid carried in semen which nourishes sperm.’
    • ‘But the jury heard he was linked to that attack through DNA evidence extracted from semen and saliva.’
    • ‘The semen of the father, the blood of the mother, and the past deeds of the individual determine the bodily features of the child.’
    • ‘The proportions of X and Y chromosome bearing sperms in human semen are equal, but more boys than girls are born.’
    • ‘Other symptoms include painful ejaculation, blood in the urine or semen and pain in the lower back, hips or thighs.’
    • ‘This is when a man experiences the feeling of climax but no semen comes out.’
    • ‘The test, which requires a drop of semen, can determine whether a man's sperm count is within normal limits.’
    • ‘Albrecht said police believe it was goat semen, but Swine Genetics only deals in pig semen.’
    • ‘HIV in semen may enter the body through tissue in the tonsils and throat and through breaks in the gums.’
    • ‘Samples can be gathered from blood, skin, saliva, hair, body tissue, bone or semen.’
    • ‘Sensation, the orgasm and the volume of semen ejaculated are entirely unaffected.’
    • ‘So, that means I get to mix up a tasty brew of blood, semen, and the Colonel's own blend of 11 herbs and spices.’
    • ‘Fears of poor quality of sperm in Scotland and a shortage of sperm donors prompted a Glasgow clinic to import semen from Denmark.’
    • ‘The garment was taped for fibres and hairs and screened for body fluids, such as blood, semen and saliva.’
    • ‘However, when the condition is caused by factors such as prostate surgery, the quantity of semen cannot be increased.’
    sperm, spermatic fluid, seminal fluid, seed, milt, ejaculate, emission
    View synonyms


Late Middle English: from Latin, literally ‘seed’, from serere ‘to sow’.