NOUN (3)

1. a receptacle for catching waste products for further use;

2. a sail set to catch wind spilled from a larger sail;

3. a net hung between ship and pier while loading a ship;

The Collaborative International Dictionary of English v.0.48:

Save-all \Save"-all`\, n. [Save + all.]
   Anything which saves fragments, or prevents waste or loss.
   Specifically:
   (a) A device in a candlestick to hold the ends of candles, so
       that they be burned.
   (b) (Naut.) A small sail sometimes set under the foot of
       another sail, to catch the wind that would pass under it.
       --Totten.
       [1913 Webster]
   (c) A trough to prevent waste in a paper-making machine.
       [1913 Webster]

WordNet (r) 3.0 (2006):

save-all
    n 1: a receptacle for catching waste products for further use
    2: a sail set to catch wind spilled from a larger sail
    3: a net hung between ship and pier while loading a ship