buttonwood Meaning, Definition & Usage

  1. noun very large spreading plane tree of eastern and central North America to Mexico
    Platanus occidentalis; American sycamore; American plane.

WordNet

But"ton*wood` noun
Definitions
  1. (Bot.) The Platanus occidentalis, or American plane tree, a large tree, producing rough balls, from which it is named; -- called also buttonball tree, and, in some parts of the United States, sycamore. The California buttonwood is P. racemosa.

Webster 1913