lip liner or lip·lin·er 
(lĭplī′nər)
(lĭplī′nər)n.
A cosmetic used to outline the lips and to keep lipstick or lip gloss from spreading into unwanted areas.
- traumatic brain injury
- traumatism
- traumatize
- traumatological
- traumatologist
- traumatology
- travail
- trave
- travel
- travel agency
- travel agent
- traveled
- traveler
- traveler's check
- travelers check
- traveler's diarrhea
- traveling salesman
- traveling salesperson
- travelled
- traveller
- travelog
- travelogue
- Traven
- Travers
- traversable