safety net

English Thesaurus

1. a large strong net to catch circus acrobats who fall or jump from a trapeze (noun.artifact)

hypernym	:	mesh, meshing, meshwork, net, network,
definition	:	an open fabric of string or rope or wire woven together at regular intervals (noun.artifact)

2. a guarantee of professional or financial security (noun.communication)

hypernym	:	guarantee,
definition	:	an unconditional commitment that something will happen or that something is true (noun.communication)