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
Origin of VINCULUM
Latin, from vincire
First Known Use: 1661
Seen & Heard
What made you want to look up vinculum? Please tell us where you read or heard it (including the quote, if possible).