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[tuhng-tahy] /ˈtʌŋˌtaɪ/
impeded motion of the tongue caused especially by shortness of the frenum, which binds it to the floor of the mouth.
verb (used with object), tongue-tied, tongue-tying.
to make tongue-tied.
1545-55; back formation from tongue-tied Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for tongue-tie
  • Lactation specialists recognize tongue-tie as a cause of breastfeeding difficulties.
British Dictionary definitions for tongue-tie


a congenital condition in which the tongue has restricted mobility as the result of an abnormally short frenulum
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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tongue-tie in Medicine

tongue-tie n.
Restricted mobility of the tongue resulting from abnormal shortness of the frenum. Also called ankyloglossia.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for tongue-tie


congenital shortening of the flap of mucous membrane (frenum) beneath the tongue, a condition that sometimes interferes with protrusion of the tongue. The name comes from the belief, of folk origin, that the anomaly is the cause of speaking or feeding difficulties. Medical studies suggest that such shortening of the frenum is a normal variation that does not interfere with either feeding or speaking and usually needs no treatment

Learn more about ankyloglossia with a free trial on
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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