"drib" in the noun sense
1. drop, drib, driblet
a small indefinite quantity (especially of a liquid
"he had a drop too much to drink"
"a drop of each sample was analyzed"
"there is not a drop of pity in that man"
"years afterward, they would pay the blood-money, driblet by driblet"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License