It's called the crotch.
scar
cork layer
leaf scar
If the break is recent and the branch is still green, you can splice it back together. Put the branch back where it was attached to the tree, then firmly bind it in place.
Tree branch = anaf (ענף)
what ever you want to call it
A distributary.
A tree branch is called a Bough.
Nothing noticeable.
Homonym: Front (front of ship) and branch (branch of tree) are homonyms. Homophone: None for front of ship. "Branch" as in a banking branch is a homophone for branch of tree.
A bough is a large, main branch of a tree, typically extending from the trunk and supporting smaller branches and leaves. Boughs are important for the structural support and growth of the tree, as well as providing a place for birds and other animals to perch or nest.
Tree. The branch is the hand, the tree is the body, the bark is the skin.