LAP (5)

Lap (?), v. i. [[OE. lappen, lapen, AS. lapian; akin to LG. lappen, OHG. laffan, Icel. lepja, Dan. lade, Sw. läppja, L. lambere; cf. Gr. �, W. llepio. Cf. Lambent.]] 1. 1. To take up drink or food with the tongue; to drink or feed by licking up something.
The dogs by the River Nilus's side, being thirsty, lap hastily as they run along the shore. Sir K. Digby. 2. 2. To make a sound like that produced by taking up drink with the tongue.
I heard the ripple washing in the reeds, And the wild water lapping on the crag. Tennyson.