- noun a tree with long thin needle-shaped leaves and bearing seed in scaly cones. Most are evergreen.
- Any of an order of mostly evergreen trees and shrubs, including those with true cones, such as pines, and those with arillate fruit, such as yews.
- noun a tree which does not lose its leaves in winter (such as a fir, pine, spruce, etc.).
- noun a tree growing in temperate regions which grows fast and produces the softwood which is extensively used in papermaking