trickle

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To flow or fall in drops or in a thin stream.
• intransitive verb To move or proceed slowly or bit by bit.
• intransitive verb To cause to trickle.
• noun The act or condition of trickling.
• noun A slow, small, or irregular quantity that moves, proceeds, or occurs intermittently.

from The Century Dictionary.

• noun A trickling stream; a rill.
• noun See the quotation.
• To flow in a small interrupted stream; run down in drops: as, water trickles from the eaves.
• To let fall a liquid in drops or small broken streams; drip.
• To pass or flow gently like a small stream.
• To cause to trickle; pour or shed in small, slow streams.

from the GNU version of the Collaborative International Dictionary of English.

• noun The act or state of trickling; also, that which trickles; a small stream; drip.
• intransitive verb To flow in a small, gentle stream; to run in drops.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A very thin river.
• noun A very thin flow; the act of trickling.
• verb transitive to pour a liquid in a very thin stream, or so that drops fall continuously
• verb intransitive to flow in a very thin stream or drop continuously
• verb intransitive To move or roll slowly.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun flowing in drops; the formation and falling of drops of liquid
• verb run or flow slowly, as in drops or in an unsteady stream