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1. To split or move away from something. The subclavian artery branches out from the aorta.
2. To grow out from a tree trunk or limb, as of a tree branch. I'm pretty sure the limb that fell in our yard branched out from your tree.
3. To explore something new; to widen one's interests or scope of expertise. You're a great student, honey, but I would really like for you to branch out and try a sport this year. Paul used to only be interested in still photography, but he's branching out and shooting movies now.
branch out (into something)
Fig. to diversify and go into new areas. I have decided to branch out into some new projects. Business was very good, so I decided to branch out.
branch out(from something)
1. Lit. [for a branch] to grow out of a branch or trunk. (Having to do with plants and trees.) A twig branched out of the main limb and grew straight up. The bush branched out from the base.
2. Fig. to expand away from something; to diversify away from narrower interests. The speaker branched out from her prepared remarks. The topic was very broad, and she was free to branch out.
Separate into subdivisions; strike off in a new direction. For example, Our software business is branching out into more interactive products, or Bill doesn't want to concentrate on just one field; he wants to branch out more. This term alludes to the growth habits of a tree's limbs. [Early 1700s] Also see branch off.
1. To develop or have many branches or tributaries: Once this tree reaches a certain size, it will begin to branch out. The river branches out into a great delta before flowing into the sea.
2. To grow out of a tree trunk or branch: I like to sit on a large limb that branches out from the apple tree.
3. To expand the scope of one's interests or activities into a new area or areas: At first I studied only Latin, but later I branched out and began learning other languages, too.