safeguard
Cross references: 1. defend 1. safe.guard \'sa-f-.ga:rd\ n [ME saufgarde, fr. MF saufegarde, fr. OF, fr. sauve safe + Xgarde guard 1a: CONVOY, ESCORT 1b: PASS, SAFE-CONDUCT 2a: a precautionary measure or stipulation 2b: a technical contrivance to prevent accident 2. safeguard vt 1: to provide a safeguard for 2: to make safe : PROTECT