BUTTON n.
can umbelliferous plant with rigid, narrow leaves, and flowers in dense heads. -- Button tree (Bot.), a genus of trees (Conocarpus), furnishing durable timber, mostly natives of the West Indies. -- To hold by the button, to detain in conversation to weariness; to bore; to buttonhole.
BUTTONWOOD n.
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.
BY a.
ollateral matter, a thing private or avoiding notice; as, by-line, by-place, by-play, by-street. It was formerly more freely used in composition than it is now; as, by-business, by-concernment, by- design, by-interest, etc.