Webster's English Dictionary

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leaf

1. leaf \'le-f\ \'le-vz\ \'le--fl*s\ n or leaves [ME leef, fr. OE le-af, 
   akin to OHG loub leaf, L liber)] pl  often attribX bast, book 1a1: a 
   lateral outgrowth from a stem that constitutes a unit of the foliage  of a 
   plant and functions primarily in food manufacture by photosynthesis 1a2: a 
   modified leaf primarily engaged in functions other than food manufac ture 
   1b1: FOLIAGE  1b2: the leaves of a plant as an article of commerce  2: 
   something suggestive of a leaf : as  2a: a part of a book or folded sheet 
   containing a page on each side  2b1: a part (as of window shutters, folding 
   doors, gates) that slides or is  hinged 2b2: the movable parts of a table 
   top  2c1: a thin sheet or plate of any substance : LAMINA  2c2: one of the 
   plates of a leaf spring  dial Brit  2d: a hat brim  - leaf.less aj
2. leaf vi 1: to shoot out or produce leaves  2: to turn over pages {~ 
   through a book}  : to turn over the pages of