Real Dictionary

tramp
countable noun: A tramp is a person who has no home or job, and very little money. Tramps go from place to place, and get food or money by asking people or by doing casual work.
countable noun: Tramp is an insulting word for a woman who is thought to have many sexual partners.
uncountable noun: The tramp of people is the sound of their heavy, regular walking.
verb: If you tramp somewhere, you walk there slowly and with regular, heavy steps, for a long time.

tramp in American English
to walk with heavy steps
intransitive verb: to tread or walk with a firm, heavy, resounding step
noun: the act of tramping
transitive verb: to tramp or walk heavily or steadily through or over

tramp in British English
noun: a person who travels about on foot, usually with no permanent home, living by begging or doing casual work
verb: to walk long and far; hike