Emily Dickinson Lexicon

LAP, v.i.² [Sax. lappian; D. labben; Arm. lappa; Fr. laper; Dan. laber; W. llepiaw, lleibiaw; Gr. λαπτω. If m is casual in L. lambo, as it probably is, this is the same word. Class Lb, No. 22.]

To take up liquor or food with the tongue; to feed or drink by licking. The dogs by the river Niles' side being thirsty, lap hastily as they run along the shore. – Rigby. And the number of them that lapped were three hundred men. Judg. vii.