[A word belonging to the Cornish fisheries, also called bolter, BOULTER; of unknown derivation.] See quots.

1

1769.  Pennant, Zool., III. 117. Bulters … are strong lines five hundred feet long, with sixty hooks, each eight feet asunder baited with pilchards or mackrel.

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1865.  Couch, Brit. Fishes, III. 89. Another and more successful method (sc. of fishing for ling) is with the long line or bultey.

3