definition of
duplicate

[1] #1 duplicate v. [reduplicate, double, repeat, replicate] make or do or perform again; "He could never replicate his brilliant performance of the magic trick". wn

[2] #2 duplicate n. [extra] something additional of the same kind; "he always carried extras in case of an emergency". wn

[3] #3 duplicate s. identically copied from an original; "a duplicate key". wn

[4] #4 duplicate n. [duplication] a copy that corresponds to an original exactly; "he made a duplicate for the files". wn

[5] #5 duplicate v. [twin, parallel] duplicate or match; "The polished surface twinned his face and chest in reverse". wn