n.
  - historical a pilgrim, especially one who had returned from the Holy Land with a palm branch or leaf as a sign of having undertaken the pilgrimage. 
▸an itinerant monk travelling from shrine to shrine under a vow of poverty.
 - a hairy artificial fly used in angling.
 
 
  Etymology
  ME: from Anglo-Norman Fr., from med. L. palmarius ‘pilgrim’, from L. palma ‘palm’.