Main Entry:

¹du·pli·cate

Pronunciation:

\ˈdü-pli-kət also ˈdyü-\

Function:

adjective

Etymology:

Middle English, from Latin duplicatus, past participle of duplicare to double, from duplic-, duplex

Date:

15th century

1 : consisting of or existing in two corresponding or identical parts or examples <duplicate invoices> 2 : being the same as another <duplicate copies>