trawl
nounA trawl net.
nounAn act of trawling, as for fish.
nounAn act of searching for or examining something.
intransitive verbTo catch (fish) with a trawl.
intransitive verbTo fish (an area) with a trawl.
intransitive verbTo search (an area) or go to (different places) in search of something.
intransitive verbTo make an examination of something.