drip

Concise Oxford English Dictionary © 2008 Oxford University Press:
drip/drɪp/

▶verb (drips, dripping, dripped) let fall small drops of liquid.

■ fall in small drops.

▶noun

• 1 a small drop of a liquid.

• 2 Medicine an apparatus which slowly passes fluid, nutrients, or drugs into a patient's body intravenously.

• 3 informal a weak and ineffectual person.

• 4 Architecture a projection on a moulding, channelled to prevent rain from running down the wall below.

– origin OE dryppan, drȳpen, of Gmc origin; rel. to drop.