Definition of lusus naturae in US English:

lusus naturae


  • A freak of nature.

    ‘they said he was wonderful, surprisingly fit, a lusus naturae’
    • ‘More specifically, the Old Man represented a kind of curiosity called the lusus naturae, a play or joke of nature.’
    • ‘At length by mere accident I discovered an extraordinary lusus naturae in the disposition of the right subclavian artery.’
    • ‘On Sunday last, a cow of the Durham breed calved, along with a remarkably fine bull calf, which is still alive, a very curious lusus naturae.’
    mutant, variant, variation, freak, freak of nature, deviant, monstrosity, monster, deformity
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Latin, literally ‘a sport of nature’.


lusus naturae

/ˌlo͞osəs nəˈt(y)o͝orˌē/