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Definition of philtrum - 3 dictionary results

phil⋅trum

  [fil-truhm]
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–noun, plural -tra  [-truh] .
1. Anatomy. the vertical groove on the surface of the upper lip, below the septum of the nose.
2. a philter.
Origin:
1600–10; < L: love philter < Gk phíltron love philter, dimple in upper lip. See phil-, -tron
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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Main Entry: phil·trum
Pronunciation: 'fil-tr&m
Function: noun
Inflected Form: plural phil·tra /-tr&/
: the vertical groove on the median line of the upper lip
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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philtrum phil·trum (fĭl'trəm)
n. pl. phil·tra (-trə)
The vertical indentation in the midline of the upper lip. Also called infranasal depression.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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