The American Heritage® Dictionary of the English Language, 4th Edition
n. Any of various Australian evergreen shrubs or trees of the genus Banksia, having narrow, spiny or toothed leaves, showy, dense clusters of usually yellow flowers, and small fruits in conelike clusters.
proper-noun. A plant belonging to the genus Banksia.
The Century Dictionary and Cyclopedia
n. A genus of shrubs or trees, for the most part of small size, of the natural order Proteaceæ, natives of western extra-tropical Australia and Tasmania, where with other shrubs of the same order they constitute most of the so-called “scrub.”
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. any shrub or tree of the genus Banksia having alternate leathery leaves apetalous yellow flowers often in showy heads and conelike fruit with winged seeds
Word Usage
"The banksia is a paltry tree, about the size of an apple-tree in an English or French orchard, perfectly useless as timber, but affording an inexhaustible supply of firewood."