plane tree

See also: planetree

English

Oriental plane tree

Alternative forms

Etymology

From plane +‎ tree.

Noun

plane tree (plural plane trees)

  1. Any of various trees of the genus Platanus.
    • 1953, Ian Fleming, “Two Men In Straw Hats”, in Casino Royale, London: Pan Books, published 1955, page 42:
      The day was still beautiful, but by now the sun was very hot and the plane-trees, spaced about twenty feet apart on the grass verge between the pavement and the broad tarmac, gave a cool shade.
  2. (mathematics) An ordered tree, a type of graph, in which the child nodes of each vertex have a definite number assigned.

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