[ fil-truh m ]
/ ˈfɪl trəm /

noun, plural phil·tra [fil-truh] /ˈfɪl trə/.

Anatomy. the vertical groove on the surface of the upper lip, below the septum of the nose.
a philter.

Origin of philtrum

1600–10; < Latin: love philter < Greek phíltron love philter, dimple in upper lip. See phil-, -tron Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for philtrum


/ (ˈfɪltrəm) /

noun plural philtra

the indentation above the upper lip

Word Origin for philtrum

C17: from Latin, see philtre
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for philtrum


[ fĭltrəm ]

n. pl. phil•tra (-trə)

The vertical indentation in the midline of the upper lip.infranasal depression

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