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stag beetle

American  

noun

  1. any of numerous lamellicorn beetles of the family Lucanidae, some of the males of which have mandibles resembling the antlers of a stag.


stag beetle British  

noun

  1. any lamellicorn beetle of the family Lucanidae , the males of which have large branched mandibles

"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 stag beetle

First recorded in 1675–85