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noun, plural to·he·ro·as, to·he·ro·a.
  1. a large marine clam, Amphidesma ventricosum, of waters near New Zealand.

Origin of toheroa

Borrowed into English from Maori around 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for toheroa

Historical Examples

  • Under the native name of Toheroa, a factory at Dargaville preserves these bivalves in tins.

    Beautiful Shells of New Zealand

    E. G. B. Moss

British Dictionary definitions for toheroa


  1. a bivalve mollusc, Amphidesma (or Semele) ventricosum, of New Zealand
  2. a greenish soup made of this

Word Origin

from Māori
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