Trawl
Trawl , intransitive verb
[Old French trauler, troller, French trôter, to drag about, to stroll about; probably of Teutonic origin. Compare Troll, transitive verb]
To take fish, or other marine animals, with a trawl.
Trawl , noun
1.
A fishing line, often extending a mile or more, having many short lines bearing hooks attached to it. It is used for catching cod, halibut, etc.; a boulter. [United States & Canada]
2.
A large bag net attached to a beam with iron frames at its ends, and dragged at the bottom of the sea, -- used in fishing, and in gathering forms of marine life from the sea bottom.