: one that saves: such as
b
: someone who economizes or hoards : someone who withholds part of his or her income from consumption for investment or deposit in a bank
c
: something that prevents loss or waste
—often used in combinationlabor-saver
money-saver
time-saver
d
slang
: a hedging bet on a horse race
e
: a marginally applied patch to correct an erroneously cut slot in a hand-sorted punch card
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Merriam-Webster unabridged