1. (Bot.)

Defn: A shoot or secondary stem growing from the main stem, or from a principal limb or bough of a tree or other plant.

2. Any division extending like a branch; any arm or part connected with the main body of thing; ramification; as, the branch of an antler; the branch of a chandelier; a branch of a river; a branch of a railway. Most of the branches , or streams, were dried up. W. Irving.

3. Any member or part of a body or system; a distinct article; a section or subdivision; a department. "Branches of knowledge." Prescott. It is a branch and parcel of mine oath. Shak.

4. (Geom.)

Defn: One of the portions of a curve that extends outwards to an indefinitely great distance; as, the branches of an hyperbola.

5. A line of family descent, in distinction from some other line or lines from the same stock; any descendant in such a line; as, the English branch of a family. His father, a younger branch of the ancient stock. Carew.

6. (Naut.)

Defn: A warrant or commission given to a pilot, authorizing him to pilot vessels in certain waters. Branches of a bridle, two pieces of bent iron, which bear the bit, the cross chains, and the curb. — Branch herring. See Alewife. — Root and branch , totally, wholly.

Syn.
— Bough; limb; shoot; offshoot; twig; sprig.