dual of a primitive noun (but used in a singular sense); water; figuratively, juice; by euphemism, urine, semen; [phrase] piss, wasting, water(-ing, (-course, -flood, -spring)).
rarely מְלוֹא; or מְלוֹ; (Ezekiel [41:8), from מָלֵא; fulness (literally or figuratively); [idiom] all along, [idiom] all that is (there-) in, fill, ([idiom] that whereof...was) full, fulness, (hand-) full, multitude.