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English Wikipedia has an article on:
Buttress tree roots (Kapok tree)

Alternative forms[edit]


From Old French ars bouterez (noun, literally supporting arcs), from bouterez (adj), oblique plural of bouteret (rare in the singular), from Frankish *botan, from Proto-Germanic *bautaną (to push). Ultimately cognate with beat.


  • (UK) IPA(key): /ˈbʌtɹəs/
    • (file)
  • (US) IPA(key): /ˈbʌtɹɪs/


buttress (plural buttresses)

  1. (architecture) A brick or stone structure built against another structure to support it.
  2. Anything that serves to support something; a prop.
  3. (botany) A buttress-root.
  4. (climbing) A feature jutting prominently out from a mountain or rock; a crag, a bluff.
    Crowell Buttresses, Dismal Buttress, Hourglass Buttress, Kardam Buttress, Seven Buttresses
    Milestone Buttress on Tryfan. The direct route is highlighted.
    • 2005, Will Cook, Until Darkness Disappears, page 54:
      All that day they rode into broken land. The prairie with its grass and rolling hills was behind them, and they entered a sparse, dry, rocky country, full of draws and short cañons and ominous buttresses.
    • 2010, Tony Howard, Treks and Climbs in Wadi Rum, Jordan, →ISBN, page 84:
      Two short pitches up a chimney-crack are followed by a traverse right to the centre of the buttress.
  5. (figurative) Anything that supports or strengthens.
    • October 30, 1692, Robert South, A Further Account of the Nature and Measures of Conscience (sermon)
      the grand pillar and buttress of the good old cause of nonconformity


Derived terms[edit]


See also[edit]


buttress (third-person singular simple present buttresses, present participle buttressing, simple past and past participle buttressed)

  1. To support something physically with, or as if with, a prop or buttress.
  2. (figurative, by extension) To support something or someone by supplying evidence; to corroborate or substantiate.