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mamaku

British  
/ ˈmɑːmɑːkuː /

noun

  1. Also called: black tree fern.  a tall edible New Zealand tree fern, Cyathea medullaris , with a black trunk

"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

Etymology

Origin of mamaku

Māori