Definition of lusus naturae in English:

Share this entry

lusus naturae

Pronunciation: /ˌlo͞osəs nəˈt(y)o͝orˌē/ /ˌlo͞osəs nəˈt(y)o͝orˌī/

noun (plural same or lususes naturae)

A freak of nature.
Example sentences
  • 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.


Latin, literally 'a sport of nature'.

For editors and proofreaders

Syllabification: lu·sus na·tu·rae

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.