Definition of willis:
(n) :
An English surname originating as a patronymic from the name Will.
(n) :
A male given name transferred from the surname.
(n) :
A town in Grenada.
(n) :
A number of places in the United States:
(n) :
An unincorporated community in Calhoun County, Florida.
(n) :
An unincorporated community in Knox County, Indiana.