In the Bible, “leaf” or “leaves” may refer to foliage, a door panel, or a sheet of a book or scroll. The meaning depends on the context.
Definition
“Leaf” or “leaves” occurs in the Authorized Version in three different senses. It may refer to foliage on a tree, to a panel or valve of a folding door, or to a sheet or fold of a book or scroll.
Biblical Usage
The meaning depends on the biblical context: leaves may be associated with trees, doors, or written material.
Historical Bible Dictionaries
Smith's Bible Dictionary
The word occurs in the Authorized Version either in singular or plural number in three different senses.