Folded into 16 leaves, or 32 pages: said of a sheet of paper or of a book made of sheets thus folded.

摺为十六折的；十六开的。

A sheet of paper folded into sixteen leaves.

摺为十六叶之一张纸；十六开纸。

A book. pamphlet, or the like, made up of sheets folded in this way.

十六开之书或小册。

The size of a book so made.

十六开本。