[f. LOOSE v. + -ER1.] One who or something that looses.

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1528.  Paynel, Salerne’s Regim. (1541), 82 b. Mustarde sede is a great leuser, consumer, and clenser of fleumaticke humidities.

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1591.  Percivall, Sp. Dict., Soltador, a looser, an expounder of drems or ridles.

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1871.  R. Ellis, trans. Catullus, lxvii. 28. A sturdier arm, that franker quality somewhere, Looser of youth’s fast-bound girdle.

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1882.  Nares, Seamanship (ed. 6), 199. The sail loosers … keep fast the … booms.

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