Vin"cu*lum (?), n.; pl. L. Vincula (#), E. Vinculums (#). [L., from vincire, vinctum, to bind.]
1.
A bond of union; a tie.
2. 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 x2 + y2 - x + y.
3. Anat.
A band or bundle of fibers; a fraenum.
4. Zool.
A commissure uniting the two main tendons in the foot of certain birds.
© Webster 1913.