labial

adj

1. (not-comparable)Of or pertaining to the lips or labia.

   “The wound that does not kill Christ is the magical labial wound; it is the seal of the resurrection and an expression of the myth of eternal recurrence.”

2. (not-comparable)Articulated by the lips, as the consonants b, m and w.
3. (not-comparable)On the side facing the lips. See mesial.
4. (not-comparable)Furnished with lips.

   “a labial organ pipe”

noun

1. A consonant articulated by the lips.

   “The motions of the Tongue, Lips, Throat, Palate, & c. which go to the making of the ſeveral Alphabetical Letters are worthy inquiry, and pertinent to the preſent Inquiſition of Sounds: But becauſe they are ſubtil and long to deſcribe, we will refer them over, and place them amongſt the Experiments of Speech. The Hebrews have been diligent in it, and have aſſigned which Letters are Labial, which Dental, which Guttural, & c”

   “You have but the same four letters to describe the salute which you perform on your grandmother’s forehead, and that which you bestow on the sacred cheek of your mistress; but the same four letters, and not one of them a labial.”

   “Those were his first words of the voyage, and they were spoken with unstuttered labials.”

2. An organ pipe having a lip that influences its sound.
3. Any of the scales bordering the mouth opening of a reptile.