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n. pl. lig·u·lae (-lē′) or lig·u·las
A strap-shaped or tonguelike structure, especially the terminal portion of the labium in the mouthparts of certain insects.

[Latin, diminutive of lingua, tongue; see dn̥ghū- 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.


n, pl -lae (-ˌliː) or -las
1. (Zoology) entomol the terminal part of the labium of an insect consisting of paired lobes
2. (Botany) a variant spelling of ligule
[C18: New Latin; see ligule]
ˈligular adj
ˈliguˌloid adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈlɪg yə lə)

n., pl. -lae (-ˌli)
1. Bot., Zool. a tonguelike or strap-shaped part or organ.
2. ligule.
[1750–60; < New Latin; Latin li(n)gula spoon, shoe-strap <li(n)gere to lick]
lig′u•lar, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.