valvule

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val·vule

 (văl′vyo͞ol′) also val·vu·la (-vyə-lə)
n. pl. val·vules also val·vu·lae (-vyə-lē′)
A small valve or valvelike structure.

[From New Latin valvula, from diminutive of Latin valva, leaf of a door; see valve.]
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.

valvule

(ˈvælvjuːl) or

valvelet

n
a small valve or a part resembling one
[C18: from New Latin valvula, diminutive of valve]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

val•vule

(ˈvæl vyul)

also valve•let

(ˈvælv lɪt)

n.
a small valve.
[1745–55; < New Latin valvula. See valve, -ule]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.valvule - a small valve
valve - a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
canescens consisted of three pairs of valvulae. First pair or dorsal valvulae and the second pair or ventral valvulae constituted the ovipositor shaft and the third pair formed the ovipositor sheaths.
The surfaces of all the valvulae were covered with sense organs.
The hymenopteran ovipositor basically comprised two pairs of valvifers, three pairs of valvulae originating from 8th and 9th segments (LeRalec and Wajnberg,1990).