01 n. The Platanus occidentalis, or American plane tree, a large tree, producing rough balls, from which it is named; -- called also buttonball t…
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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 Platanus racemosa.(Bot.) Also: buttonball tree, sycamore