drip-feed

Short definition from Wiktionary

Noun

1. 1
   A device for dispensing liquids in a slow, regular stream of drops or very small quantities.
2. 2
   A device for dripping nutrients or drugs directly into a patient's bloodstream.
3. 3
   Alternative form of drip-feed.

Verb

1. 1
   To dispense (a liquid) using a drip-feed.
2. 2
   To administer nutrients, drugs, etc. to (a patient) using a drip-feed.
3. 3
   To dispense or dole out in very small portions over a period of time.
4. 4
   Alternative form of drip-feed.