The Collaborative International Dictionary
Vinculums
Vinculum \Vin"cu*lum\, n.; pl. L. Vincula, E. Vinculums.
A bond of union; a tie.
(Math.) A straight, horizontal mark placed over two or more members of a compound quantity, which are to be subjected to the same operation, as in the expression x^ 2 + y^ 2 - vinc x + y.
(Anat.) A band or bundle of fibers; a fr[ae]num.
(Zo["o]l.) A commissure uniting the two main tendons in the foot of certain birds.
Wiktionary
vinculums
n. (plural of vinculum English)