scour-v; 2 Senses

Sense Number 1: scrub hard in order to make clean

Please scour all the pans before putting them away.
The maid scoured our stove until is shined.
To get all the oil off the cement, you'll have to scour it with a
wire sponge.

VerbNet: wipe_manner-10.4.1-1
FrameNet: Scouring
PropBank: scour.01
WordNet 3.0 Sense Numbers: 2, 3, 4

Sense Number 2: examine minutely; search diligently

We scoured the racks for this season's hottest buys.
The farmer scoured the earth for the rare fruit.
Our team of dozens scoured the city for the convict.

VerbNet: search-35.2
FrameNet: Scrutiny,Seeking
PropBank: scour.02
WordNet 3.0 Sense Numbers: 1