shim Syllabification: (shim)Pronunciation: /SHim/Definition of shim noun a washer or thin strip of material used to align parts, make them fit, or reduce wear. verb (shims, shimming, shimmed) [with object] wedge (something) or fill up (a space) with a shim. Origin: early 18th century: of unknown originshim in other Oxford dictionaries Definition of shim in the British & World English dictionary
