three-cornered jack
Noun

three-cornered jack (plural three-cornered jacks)

  1. (Australia) The weed Emex australis.
    • 1901, South Australian Department of Agriculture, South Australian Department of Industry, Journal of Agriculture and Industry of South Australia, Volume 4, [http://books.google.com.au/books?id=HMtGAAAAYAAJ&q=%22three-cornered+jack%22|%22three-cornered+jacks%22+-intitle:%22%22+-inauthor:%22%22&dq=%22three-cornered+jack%22|%22three-cornered+jacks%22+-intitle:%22%22+-inauthor:%22%22&source=bl&ots=MxHTV8r4so&sig=BZdt9Ldav_adF7CEGcyE170zoCw&hl=en&sa=X&ei=gpWCUIq2Bcm4iAeLgoGgDw&redir_esc=y page 385],
      The “Three-cornered jack/Devils thorn” (Emex australis) is believed to be poisonous to them, as many dead locusts are found near to each plant.
  2. A seed vessel of this plant, which has three symmetrically arranged thorns and a pointed head.
Synonyms
  • (Emex australis) spiny emex
  • (thorny seed of Emex australis) bindi, bindi-eye, bindii, cathead, cat's head, doublegee



This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.003
Offline English dictionary