To travel or wander through.
To tread upon forcibly and repeatedly; to trample.
To cleanse, as clothes, by treading upon them in water.
To hitchhike.
To walk with heavy footsteps.
To walk for a long time (usually through difficult terrain).
see Wikipedia:tramp steamer
A long walk, possibly of more than one day, in a scenic or wilderness area.
A disreputable, promiscuous woman; a slut.
Of objects, stray and intrusive and unwanted
A metal plate worn by diggers under the hollow of the foot to save the shoe.
A homeless person; a vagabond.
Any ship which does not have a fixed schedule or published ports of call.
To stray; stray from one's course; err.
To go somewhere indirectly or at varying speeds; to move in a curved path.
To move without purpose or specified destination; often in search of livelihood.
Of the mind, to lose focus or clarity of argument or attention.
To commit adultery.
An act or instance of wandering.
The situation where a value or signal etc. deviates from the correct or normal value.