Definition of shim
: a thin, often tapered piece of material (such as wood, metal, or stone) used to fill in space between things (as for support, leveling, or adjustment of fit)
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Origin and Etymology of shim
origin unknown
First Known Use: 1860
2
shim
verb
Definition of shim
shimmed
;shimming
transitive verb
: to fill out or level up by the use of a shim
Circa 1890
First Known Use of shim
circa 1890
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