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Related to buccinator: temporalis, Depressor anguli oris, Depressor labii inferioris, Levator labii superioris, Orbicularis oris, Zygomaticus major
The thin, flat muscle forming the wall of the cheek.
[Latin buccinātor, trumpeter (from its being the chief muscle used in blowing), from buccinātus, past participle of buccināre, to blow a horn, from būcina, buccina, horn, trumpet; see gwou- 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.
(Anatomy) a thin muscle that compresses the cheeks and holds them against the teeth during chewing, etc
[C17: from Latin, from buccināre to sound the trumpet, from buccina trumpet]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
buc•ci•na•tor(ˈbʌk səˌneɪ tər)
a thin, flat muscle of the cheek region, the action of which contracts and compresses the cheek.
[1665–75; < New Latin; Latin buccinātor, būcinātor trumpeter]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.