dial. Also lerrett, -it. [Etymology unknown.] A boat suitable for heavy seas, used on the coast about the Isle of Portland.

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1828.  New Sailor’s Mag., 155. The ‘Portland Lerret,’ or boat adapted for approaching this extraordinary isthmus, ‘Chesel Beach.’… A lerret of large size, about five tons burden.

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1869.  Daily News, 14 Sept., 3/3. Pilot George Brown, with a crew of four men, went in a ‘lerrit’ to her assistance.

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1877.  Times, 13 Sept., 4/3. In the face of such a sea as was ragin … none other than the well known Portland ‘lerretts’ could have been launched or beached.

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1880.  T. Hardy, Trumpet-Major, III. xxxiv. 120. The trip in the stern of the lerret had quite refreshed her.

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