looseleaf \loose"leaf`\, loose-leaf \loose"-leaf`\(l[=oo]s"l[=e]f`), adj. having rings that open and close permitting insertion and removal of pages; -- of notebooks and binders and the paper used in them; as, a looseleaf notebook; looseleaf paper.

Syn: loose-leaf. [WordNet 1.5] looseleaf binder

Source: The Collaborative International Dictionary of English v.0.48
 

looseleaf adj : being or having leaves that can be easily removed or rearranged; "loose-leaf paper"; "a looseleaf notebook"

Source: WordNet (r) 2.0