trickle

Short definition from Wiktionary

Noun

1. 1
   A very thin river.
2. 2
   A very thin flow; the sound of such a flow.

Verb

1. 1
   to pour a liquid in a very thin stream, or so that drops fall continuously.
2. 2
   to flow in a very thin stream or drop continuously.
3. 3
   To move or roll slowly.