Definition of formicary in English:

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Pronunciation: /ˈfôrməˌkerē/
(also formicarium /ˌfôrmiˈke(ə)rēəm/)

noun (plural formicaries; formicaria /-ˈke(ə)rēə/)

An ant’s nest, especially one in an artificial container for purposes of study.
Example sentences
  • So many folks have asked about my formicarium that my friend, Ray, has started making them for sale.
  • The formicarium had been unused over two months so I put some water on the gel and added sugar and soya.
  • The queen is in the formicarium now and seems quite busy exploring her new surroundings.


Early 19th century: from medieval Latin, from Latin formica 'ant'.

For editors and proofreaders

Syllabification: for·mi·car·y

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