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[From New Latin Chīronomidae, family name, from Chīronomus, type genus, from Latin chīronomos, moving the hands according to the rules of art, pantomimic (the genus being so called because the adults hold their front pair of legs in the air when at rest ), from Greek kheironomos : kheir, hand; see ghes- in Indo-European roots + nomos, custom, law; see nem-.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Animals) a member of the Chironomidae, a family of nonbiting midges
(Animals) of or relating to this family
[C19: from New Latin chironomus, from Greek kheironomos a gesturer, from kheir hand + nomos manager + -id2]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014