Definition of greenleaf:
(n) :
A surname.
(n) :
A number of places in the United States:
(n) :
A minor city in Canyon County, Idaho, named after John Greenleaf Whittier.
(n) :
A minor city in Washington County, Kansas, named after a railroad treasurer.
(n) :
A township in Sanilac County, Michigan.
(n) :
An unincorporated community in Ellsworth Township, and Greenleaf Township, Meeker County, Minnesota.