a trawl net equipped with otter boards.
Compare beam trawl.
Origin of otter trawl
First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for otter trawl
In the otter-trawl catch from this ground it will be noted that the positions of the two species are reversed.
It will be noted that the number of otter-trawl fares from this ground is small.