| labial |
| Definition -
A sound made with one or both lips, e.g., the /f/ in filter.
Notes: 1. When both lips are used, the sound is called a bilabial, e.g., the /p/ in popcorn. |
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Etymology - The word derives from the Latin labium, lip. |
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Oxford English Dictionary - Its first citation is from 1594: "The Hebrewes name their letters, some gutturall…; others dentall…; & so they call others, labiall, that is letters of the lips." (T. B. La Primaud. Fr. Acad. ii. 87) |
