Safety net

What is Safety net ?

Safety net is (noun) 1. a net stretched under someone such as a tightrope walker to catch him or her if he or she falls He was killed when he walked the tightrope without a safety net. 2. something which pro- tects you if things go wrong He has a sec- ond job, which is a useful safety net if he is made redundant.

 

source: Easier English, Student Dictionary Upper Intermediate Level