Each; respectively. Indicates individual members or items considered separately. Often used in written or formal contexts.
参加者は各々自己紹介をした。
Each participant introduced themselves.
箱の中から各々一つずつ選んでください。
Please each choose one item from the box.
作家は各々の視点から物語を描いた。
The writer depicted the story from each individual's perspective.
You (plural) — an archaic pronoun used to address a group; rarely used in modern Japanese.
古い物語には『各々参れ』という呼びかけが見られる。
In old tales you can see calls like '各々参れ' (meaning 'you all, come').