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1. Triple: "treble reason for loving as well as working while it is day" (George Eliot).
2. Music Relating to or having the highest part, voice, or range.
3. High-pitched; shrill.
a. The highest part, voice, instrument, or range.
b. A singer or player that performs this part.
2. A high, shrill sound or voice.
tr. & intr.v. treb·led, treb·ling, treb·les
To make or become triple.
[Middle English, from Old French, from Medieval Latin triplum, from Latin, neuter of triplus, triple; see triple.]
treb′ly (trĕb′lē) adv.
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.
the act or an instance of making or becoming three times as much
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
trebling[ˈtrɛblɪŋ] n → triplement m
Collins English/French Electronic Resource. © HarperCollins Publishers 2005