to distribute; to portion out; to deal out; to dish out; to serve
to separate (out); to pick out
母がシチューを取り分けた。
My mother portioned out the stew.
ウェイターが料理を取り分けて出した。
The waiter portioned out the food and served it.
大皿料理では、誰かがみんなの分を取り分けるのが普通だ。
At restaurants with large shared plates, it's common for someone to portion out everyone's share.