DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Leaf \Leaf\, Leaf out \Leaf out\(l[=e]f), v. i. [imp. & p. p.
      Leafed (l[=e]ft); p. pr. & vb. n. Leafing.]
      To shoot out leaves; to produce leaves; to leave; as, the
      trees leaf in May. --Sir T. Browne.
      [1913 Webster]