plane tree

noun2

1. •
   Any of various trees of the genus Platanus.

   • 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. — 1953
2. •
   An ordered tree, a type of graph, in which the child nodes of each vertex have a definite number assigned.