vin·cu·lum noun \ˈviŋ-kyə-ləm\
plural vin·cu·lums or vin·cu·la\-lə\
: a straight horizontal mark placed over two or more members of a compound mathematical expression and equivalent to parentheses or brackets about them (as in a-b-c=a-[b-c])
Origin of VINCULUM
Latin, from vincire
First Known Use: 1661
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