To gather together; to collect things or people from various places; to scrape together (money, items).
旅行代を寄せ集めて、ようやく行けることになった。
He scraped together the money for the trip and finally managed to go.
図書館のために古い本を寄せ集める活動に参加した。
I took part in a drive to collect old books for the library.
みんなで力を合わせて資金を寄せ集めた。
Everyone pooled their resources and scraped together the funds.