The following is the results of your search for lapping of water.
Lapping of water: Like a dog, i.e., by putting the hand filled with water to the mouth.
The dog drinks by shaping the end of his long thin tongue into the
form of a spoon, thus rapidly lifting up water, which he throws into
his mouth. The three hundred men that went with Gideon thus employed
their hands and lapped the water out of their hands