| acorn |
the fruit of the oak tree, having a smooth, ovoid nut partially enclosed by a rough, cuplike base. |
| ailanthus |
a deciduous tree, originating in Asia, with fernlike leaves and clusters of greenish flowers with an offensive odor. |
| alburnum |
the soft wood between the bark and the heartwood of a tree; sapwood. |
| allspice |
the aromatic berry of a West Indian tree of the myrtle family, or the tree itself. [1/2 definitions] |
| almond |
a tree of the rose family that is native to warm temperate regions, closely related to the cherry. [2/6 definitions] |
| anaconda |
any of several large nonvenomous constrictor snakes, esp. a certain South American tree snake that can grow to over twenty feet in length. |
| annual ring |
one of the concentric rings of wood visible in a cross section of a tree representing the layer of growth from one year. |
| apple |
the tree on which this fruit grows. [1/3 definitions] |
| apricot |
a tree that bears such fruit. [1/3 definitions] |
| araroba |
a bitter yellow medicinal powder obtained from cavities in the trunk of a Brazilian tree; Goa powder. [2 definitions] |
| arbor3 |
in botany, a tree. |
| arborvitae |
any of various evergreens having small cones and leaves of closely overlapping scales, often grown as an ornamental shrub or tree. |
| arbutus |
an evergreen tree or shrub of the heath family having broad dark green leaves and bearing clusters of pink or white flowers and small strawberrylike fruit. [1/2 definitions] |
| ash2 |
the wood of such a tree. [1/2 definitions] |
| ashen2 |
of or pertaining to the ash tree. [1/2 definitions] |
| assai2 |
a small slender palm tree native to Brazil that bears edible fleshy purple fruit. [1/2 definitions] |
| avocado |
the tree that produces this fruit. [1/2 definitions] |
| balata |
a tropical American tree with dark red wood that yields a latex sap. [2 definitions] |
| bald cypress |
a cone-bearing tree that grows in the swamps of the southeastern United States, the wood of which is used in construction and shipbuilding. |
| balsa |
a tree of tropical America, the wood of which is extremely light in weight. [2 definitions] |
| balsam fir |
an evergreen tree of the pine family, native to Canada and the northeastern United States, which is cut for pulpwood and Christmas trees and from which Canada balsam is derived. |