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Webster 1913 Edition

Vinculum

‖

Vin′cu-lum

,
Noun.
;
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
x
2
+ y
2
-
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.

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