[oz-muh nd, os-]


any fern of the genus Osmunda, especially the royal fern.

Also os·mun·da [oz-muhn-duh] /ɒzˈmʌn də/.

Origin of osmund

1325–75; Middle English osmunde < Anglo-French osmunde, Old French osmonde < ?
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for osmunda

Historical Examples of osmunda

  • There is great diversity of opinion upon the derivation of the name Osmunda.

    How to Know the Ferns

    S. Leonard Bastin

  • Pot in two-thirds peat and one-third Sphagnum-moss or Osmunda fibre.


    James O'Brien

  • The common male fern is of frequent occurrence, while the royal fern (Osmunda regalis) is found in profusion.

    Men of the Old Stone Age

    Henry Fairfield Osborn

  • The origin of the generic name Osmunda seems somewhat obscure.

    How to Know the Ferns

    Frances Theodora Parsons

  • Polypodium fibre may also be substituted for Osmunda fibre, or a proportion of each may be used.


    James O'Brien

British Dictionary definitions for osmunda


osmund (ˈɒzmənd)


any fern of the genus Osmunda, such as the royal fern, having large spreading fronds: family Osmundaceae

Word Origin for osmunda

C13: from Old French osmonde, of unknown origin
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