save-all

Short definition from Wiktionary

Noun

1. 1
   Something that prevents waste or loss.
2. 2
   A device in a candlestick to hold the ends of candles, so they can be burned all the way down.
3. 3
   A trough to prevent waste in a paper-making machine.
4. 4
   A small sail sometimes set under the foot of another sail, to catch the wind that would pass under it.