philtrum Syllabification: (philtrum)Pronunciation: /ˈfiltrəm/Definition of philtrum noun Anatomy the vertical groove between the base of the nose and the border of the upper lip. the junction between the two halves of the upper lip or of an animal’s nose. Origin:Latin, from Greek philtron 'love potion'philtrum in other Oxford dictionaries Definition of philtrum in the British & World English dictionary
