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See also: läsk and läsk'



From Old Northern French *lasque, from lasker ‘to loosen’ (corresponding to standard Old French lascher > French lâcher).



lask (plural lasks)

  1. Diarrhoea (now only of animals).
    • 1621, Democritus Junior [pseudonym; Robert Burton], The Anatomy of Melancholy, Oxford: Printed by Iohn Lichfield and Iames Short, for Henry Cripps, OCLC 216894069:, New York Review of Books, 2001, p.263:
      A grave and learned minister, and an ordinary preacher at Alkmaar in Holland, was (one day as he walked in the fields for his recreation) suddenly taken with a lask or looseness, and thereupon compelled to retire to the next ditch […].
    • 1653, Nicholas Culpeper, The English Physician, Folio Society 2007, p. 150:
      The emulsion or decoction of the seed stays lasks and continual fluxes, eases the colic, and allays the troublesome humours in the bowels […].