WordNet sense 1 (the part of a piece of clothing that covers the thighs):

lap covering

WordNet sense 2 (a flap that lies over another part):

overlap

WordNet sense 3 (move with or cause to move with a whistling or hissing sound):

swish, swoosh, swosh

WordNet sense 4 (pass the tongue over):

lick

WordNet sense 5 (take up with the tongue):

lap up

WordNet sense 6 (movement once around a course):

circle, circuit

WordNet sense 7 (wash or flow against):

lave, wash