1. One who laps liquid, who takes liquid in with the tongue.
2. (in combination) something (especially a race) that is a stated number of laps e.g. a 25-lapper
3. (sports) A competitor who is one lap behind another, in the same race, and hence physically in front.
4. A mechanism that overlaps material to make it thicker; a lapping cylinder or lapping machine
5. (sailing) A headsail that overlaps the mast.
1. To make a gentle splashing sound, as the sound of flowing water.