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One of a pair of tubular organs on the abdomen of an aphid, from which the insect secretes a waxy fluid when attacked.
[Latin corniculum, little horn; see corniculate.]
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.
a wax-secreting organ on an aphid's abdomen that is shaped like a horn
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014