for lending; for loan; for circulation
Used for books, equipment, media, or other items set aside to be lent out, especially in contexts such as libraries, offices, schools, or service counters. Often modifies another noun with の or appears as a predicate with です.
この本は貸出用です。
This book is for loan.
受付で貸出用のノートパソコンを借りた。
I borrowed a loaner laptop at the reception desk.
This library also has lending copies of magazines available.
図書館には貸出用のDVDも置いてある。
The library also has DVDs available for circulation.
We decided to set this bicycle aside for lending out.
We had umbrellas ready for lending out on rainy days.
貸出 is the act or system of lending something out, whereas 貸出用 is the adjectival label meaning an item is set aside for that purpose; learners often confuse the two because of their shared root.
A transparent compound of 貸出, meaning lending or checking out, plus 用, meaning use or purpose; together it means something intended for lending.