trammel net

noun
  1. a three-layered fishing net, the middle layer of which is fine-meshed, the others coarse-meshed, so that fish attempting to pass through the net will become entangled in one or more of the meshes.

Origin of trammel net

First recorded in 1510–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018