From The Collaborative International Dictionary of English v.0.48:
Palmer \Palm"er\, n. [From Palm the tree.]
A wandering religious votary; especially, one who bore a
branch of palm as a token that he had visited the Holy Land
and its sacred places. --Chaucer.
[1913 Webster]
Pilgrims and palmers plighted them together. --P.
Plowman.
[1913 Webster]
The pilgrim had some home or dwelling place, the palmer
had none. The pilgrim traveled to some certain,
designed place or places, but the palmer to all. --T.
Staveley.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Palmer \Palm"er\, n. [From Palm, v. t.]
One who palms or cheats, as at cards or dice.
[1913 Webster]