philtrum.
The shallow vertical groove running from the nasal septum to the center of the upper lip.
Meaning & usage
The shallow vertical groove running from the nasal septum to the center of the upper lip.
The junction between the two halves of an animal's upper lip or nose.
Where this word comes from
Borrowed from the Latin philtrum (“a love potion”), from Ancient Greek φῐ́λτρον (phĭ́ltron, “a love charm; the dimple in the upper lip”). Doublet of philter.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.