to carry in one's hand or have on one's person; to bear (often a somewhat formal expression).
彼は常にメモ帳を携えている。
He always carries a notebook with him.
ナイフを携えて山に入るのは危険だ。
Entering the mountains carrying a knife is dangerous.
大事な資料を携えて会議に出席した。
I attended the meeting carrying important documents.
to take along (someone); to be accompanied by someone or something.
新人を一人携えて営業先を回った。
I visited clients accompanied by a new employee.
彼は経験を携えて海外へ渡った（比喩的用法）。
He went abroad bringing his experience with him (figurative usage).