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spinifex

American  
[spahy-nuh-feks] / ˈspaɪ nəˌfɛks /

noun

plural

spinifex, spinifexes
  1. any of several Australian grasses of the genera Spinifex, Plectrachne, or Triodia, having spiny seeds and stiff, sharp-pointed leaves that grow in dense masses.


spinifex British  
/ ˈspɪnɪˌfɛks /

noun

  1. Also called: porcupine grass.  any of various coarse spiny-leaved inland grasses of the genus Triodia

  2. any grass of the SE Asian genus Spinifex, having pointed leaves and spiny seed heads: often planted to bind loose sand

"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 spinifex

First recorded in 1845–55; from New Latin spīnifex, literally “spine maker,” equivalent to Latin spīn(a) “thorn, spine, backbone” + -i- ( def. ) + -fex ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Surrounded by red sandhills, he got down from the vehicle and a night parrot flew up from a clump of spinifex.

From New York Times

Often described as “fairy circles,” these rings of spinifex grass resemble structures first spotted in the Namibian desert, both creating enormous honeycomb patterns across the landscape that really pop out in aerial photos.

From New York Times

Spinifex grasses start out as small round hummocks, said Angela Moles, an ecologist at the University of New South Wales and an author of the new paper.

From New York Times

He then planted some spinifex seeds in pots of microbe-free soils and some in unaltered soils.

From New York Times

If new spinifex grasses can’t handle the pathogens in the soil at the center of their clump, they may sprout instead just outside of it, leading to that signature ring pattern.

From New York Times