from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Mathematics A bar drawn over two or more algebraic terms to indicate that they are to be treated as a single term.
- n. Anatomy A ligament that limits the movement of an organ or part.
- n. A bond or tie.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A bond or link signifying union.
- n. Any symbol used to group some of the terms in an expression, indicating that that part of the calculation should be done before other parts.
- n. A horizontal line over the top of some of the terms in an expression, indicating that that part of the calculation is to be done before other parts.
- n. Specifically, the horizontal line between the numerator and denominator in a fraction.
- n. A ligament that limits the movement of an organ or part.
from the GNU version of the Collaborative International Dictionary of English
- n. A bond of union; a tie.
- n. 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.
- n. A band or bundle of fibers; a frænum.
- n. A commissure uniting the two main tendons in the foot of certain birds.
from The Century Dictionary and Cyclopedia
- n. A bond of union; a bond; a tie.
- n. In algebra, a character in the form of a stroke or brace drawn over a quantity when it consists of several terms, in order to connect them together as one quantity and show that they are to be multiplied or divided, etc., together: thus, , indicates that the sum of a and b is to be multiplied by c; whereas the expression without this character would indicate simply that b is to be multiplied by c, and the product added to adjective
- n. In printing, a brace.
- n. In anatomy, a tendinous or ligamentous band uniting certain parts; a frenum.
Latin, bond, tie, from vincīre, to tie.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin vinculum ("bond, link"), from vinciō ("bind, fetter, tie") + -ulum. (Wiktionary)