Thesaurus / life nets
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLE SENTENCES FROM THE WEB

The life nets were spread and the men shouted to them to jump.
A BOY KNIGHTMARTIN J. (MARTIN JEROME) SCOTT
The life nets are made of woven rope with springs, and are 10 feet in diameter.