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formicary

American  
[fawr-mi-ker-ee] / ˈfɔr mɪˌkɛr i /

noun

plural

formicaries
  1. an ant nest.


formicary British  
/ ˌfɔːmɪˈkɛərɪəm, ˈfɔːmɪkərɪ /

noun

  1. less common names for ant hill

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of formicary

1810–20; < Medieval Latin formīcārium ant hill, noun use of neuter of *formīcārius of, pertaining to ants. See formic, -arium