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[ma-truh s]
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noun Chemistry.
  1. matrass.


or mat·trass

[ma-truh s]
noun Chemistry.
  1. a rounded, long-necked glass container, formerly used for distilling and dissolving substances.

Origin of matrass

1595–1605; < French matras, perhaps < Arabic maṭarah leather bottle < Greek metrētḗs a liquid measure
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for mattrass

Historical Examples

  • As the birth allotted to me was too short, I was obliged to place my mattrass upon the floor.

    Travels Through North America, v. 1-2

    Berhard Saxe-Weimar Eisenach

  • Then I felt the same way, so we took it off one night and slept a heap better on the mattrass.

    The Woodcraft Girls at Camp

    Lillian Elizabeth Roy

  • The middle of the room is best; especially if you place yourself on a mattrass, bed, or hearth-rug.

  • The mattrass was a poor defence against the cold of the subjacent rock.

  • The old Boocolo came daily to see us, and as invariably laid down on the lower part of my mattrass.

British Dictionary definitions for mattrass


  1. a variant spelling of matrass



  1. chem obsolete a long-necked glass flask, used for distilling, dissolving substances, etc

Word Origin

C17: from French, perhaps related to Latin mētiri to measure
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012