de·fib·ril·late [ dee fíbbrə làyt, dee fbrə làyt ](past and past participlede·fib·ril·lat·ed, present participlede·fib·ril·lat·ing, 3rd person present singularde·fib·ril·lates)
transitive verb
Definition:
stimulate heart electrically: to apply an electric shock to the chest, or sometimes directly to the heart itself, in order to restore a regular heartbeat after a critically irregular beat has developed