noun
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.
図書館には貸出用のDVDも置いてある。
The library also has DVDs available for circulation.
館内閲覧用 means for in-library or on-site use only, contrasting with 貸出用, which means the item may be lent out.
貸与 is a more formal word for lending or loaning something, often in institutional or legal contexts; 貸出用 is a practical label meaning for loan or checkout.
A transparent compound of 貸出, meaning lending or checking out, plus 用, meaning use or purpose; together it means something intended for lending.