to stamp a new device, value, or inscription on (a coin)
noun
2.
a coin that has been overstruck without complete obliteration of the original design
Word origin
[1900–05; over- + strike]This word is first recorded in the period 1900–05. Other words that entered Englishat around the same time include: Young Turk, decompression, elder statesman, hormone, hydroplaneover- is a prefixal use of over, occurring in various senses in compounds (overboard; overcoat; overhang; overlap; overlord; overrun; overthrow), and especially employed, with the sense of “over the limit,” “to excess,” “toomuch,” “too,” to form verbs, adjectives, adverbs, and nouns (overact; overcapitalize; overcrowd; overfull; overmuch; oversupply; overweight), and many others, mostly self-explanatory: a hyphen, which is commonly absent fromold or well-established formations, is sometimes used in new coinages or in any wordswhose component parts it may be desirable to set off distinctly