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Related to jugum: jugum sphenoidale


n. pl. ju·ga (-gə) or ju·gums
A yokelike structure in certain insects that joins the forewings to the hind wings, keeping them together during flight.

[Latin iugum, yoke; see yeug- in Indo-European roots.]
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.


1. (Zoology) a small process at the base of each forewing in certain insects by which the forewings are united to the hindwings during flight
2. (Botany) botany a pair of opposite leaflets
[C19: from Latin, literally: yoke]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈdʒu gəm)

the posterior basal area or lobe in the forewing of certain insects, sometimes serving to couple the forewings and hind wings in flight.
[1855–60; < New Latin, Latin: yoke]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in classic literature ?
An implement, madam, to whose Latin name, jugum , we owe one of the most illuminating words in our language -- a word that defines the matrimonial situation with precision, point and poignancy.
1B): Cuerpo ovoide con la anchura maxima a la altura del II segmento abdominal; cabeza jugum y tylus pardo claro, las cuatro espinas en el margen del jugum de color pardo oscuro; ojos pequenos rojizos; torax pardo obscuro, pronoto con puntuaciones dispersas en su superficie.
The tegmentum is covered by well separated pustules of irregular shape, from roundish/oval to squarish/rectangular, some of them coalesced, giving the impression of orientation in a radiating pattern from the jugum in the intermediate valves (Figs 7D, 7H) and in the antemucronal area of the tail valve.
Head with 4 setigerous punctures, located one in front each eye, and one on each jugum. Rostrum reaching metasternum.