Definition of philtrum in English:


Line breaks: phil|trum
Pronunciation: /ˈfɪltrəm


1The vertical groove between the base of the nose and the border of the upper lip.
More example sentences
  • Geordie leaned over and carefully daubed a Hitler moustache across Danny's philtrum.
  • A flat or smooth philtrum can present in persons with fetal alcohol spectrum disorders.
  • Nevertheless, early correction may be indicated because the prolabium usually contains more than enough tissue to create a philtrum of normal size.
1.1The junction between the two halves of an animal’s upper lip or nose.
More example sentences
  • A midline groove called the philtrum divides the rhinarium into two, each half containing a nostril.
  • Two dogs were presented with dermal arteritis of the nasal philtrum associated with repeated episodes of bleeding.
  • Superficial ulcers appear on the dorsum of the tongue, hard palate, and nasal philtrum.


early 17th century (in sense 'love potion'): Latin, from Greek philtron 'love potion'.

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