1. a large seine, for use generally by two boats, that is drawn around a school of fish and then closed at the bottom by means of a line passing through rings attached along the lower edge of the net.
2. a technique of fishing that utilizes a purse seine to capture large schools of fish, esp. tuna.
Pronunciation: (pûrs'sān"), [key]
—v.i., -seined, -sein•ing.
to fish using a purse seine.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.