- a net, used esp by entomologists, that can be closed instantly by pulling a string
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for clap-net
However, it may, perhaps, be necessary to describe how to make this machine or clap-net — fit only for dealers or exterminators.
First, then, comes the ordinary "clap-net" of the London and provincial bird-catchers.
The method of laying the clap-net is best described with the aid of a drawing (vide Fig. 5).