What is the meaning of leaf?

noun

• The main organ of photosynthesis and transpiration in higher plants.
  • synonyms: leafage, foliage
• A sheet of any written or printed material (especially in a manuscript or book.
  • synonyms: folio
• Hinged or detachable flat section (as of a table or door. )

verb

• Look through a book or other written material.
  • usage: "He thumbed through the report"; "She leafed through the volume"
  • synonyms: flick, flip, thumb, riffle, riff
• Turn over pages.
  • usage: "leaf through a book"; "leaf a manuscript"
• Produce leaves, of plants. .