An ornament inserted into a perforation in the lip. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "labret" in a sentence
"Among the means taken by these people to produce personal ornamentation that of tattooing the face and wearing a labret is the most noticeable."
"He said he has one tattoo on the middle of his back and six piercings - two ear gauges, an industrial piercing on his left ear, two nipple piercings and a labret, which is a piercing below the lip and above the chin."
"BME: What's morally worse, piercing a human baby's ears, or piercing a fish's "labret"?"