■ noun
1》 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.
2》 a hairy artificial fly used in angling.
Origin
ME: from Anglo-Norman Fr., from med. L. palmarius 'pilgrim', from L. palma 'palm'.