godan verb (-mu), transitive verb
file away; keep on file
Used for putting documents, papers, or records into a file, binder, or folder for storage.
領収書をファイルに綴じ込む。
I file the receipt in a binder.
契約書は必ず綴じ込んで保管してください。
Please be sure to file and keep the contract.
godan verb (-mu), transitive verb
bind in; insert between pages
Specifically refers to binding or inserting something into a book, magazine, or bound volume, such as a supplement or loose leaf.
雑誌に付録の小冊子を綴じ込む。
They bind the supplementary booklet into the magazine.
この本には地図が綴じ込まれている。
A map is bound into this book.