preserver

Meanings

1. 1
   noun

   a person or thing that protects someone or keeps something safe from harm or destruction

   He regarded the loyal animal as his preserver after it saved him from the attackers.

2. 2
   noun

   a buoyant device worn or held to prevent drowning, especially in the phrase life preserver

   Each passenger found a life preserver beneath the seat.

The agent noun of preserve, formed with -er. Preserve came through Old French preserver from Medieval Latin praeservare, 'to guard beforehand,' from prae-, 'before,' + servare, 'to keep safe.'

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