D defs.my
Entry 1 sense Webster, 1913

Interleaf

/ĭnʹtər-lēf/ · In·ter·leaf · IPA /ˈɪntəliːf/
01 n. A leaf inserted between other leaves; a blank leaf inserted, as in a book.
pl. Interleaves ((#))
  1. 1.
    A leaf inserted between other leaves; a blank leaf inserted, as in a book.