noun
Definition: A person or thing that is involved in a race or competition, specifically one who is behind another competitor by one lap, or a device that overlaps materials to make them thicker.
Example: The lapper struggled to catch up with the leading racer during the final stretch of the race.
verb
Definition: To create a soft, splashing noise, similar to the sound made by water as it flows or moves gently.
Example: The water began to lap against the shore as the tide came in.