Definition of pollan in English:
An Arctic cisco (fish) of a variety which occurs in Irish lakes.
- The three species of endangered fishes are allis shad, Killarney shad and pollan.
- In total Noel had about 11 good runs and landed two - both caught with pollan dead bait.
- Pollan in Ireland are a relatively short-lived fish, with most authors (e.g. Twomey 1956; Wilson and Pitcher 1983) encountering fish of up to five years old.
early 18th century: from Irish pollán, perhaps based on poll 'pool'.