lu·sus na·tu·rae /ˌlusʊsnɑˈtʊri, ˈtʊrˌaɪ/
Lu·sus na·tu·ræ n. Sport or freak of nature; a deformed or unnatural production.
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lusus naturae
n : a person or animal that is markedly unusual or deformed
[syn: freak, monster, monstrosity]