6.Any of several North American or eastern Asian evergreen trees or shrubs of the genus Thuja, having flattened branchlets with opposite, scalelike leaves and small cones. They are grown as ornamentals and for timber.
7.Any of various chiefly deciduous ornamental or timber trees of the genus Fraxinus, having opposite, pinnately compound leaves, clusters of small flowers, and one-seeded winged fruits.