1. any evergreen, coniferous tree of the genus Pinus, having long, needle-shaped leaves, certain species of which yield timber, turpentine, tar, pitch, etc.Compare pine family.
2. any of various similar coniferous trees.
3. the wood of the pine tree.
4. Informal. the pineapple.
"trees can be pine."
"needles can be pine."
"forests can be pine."
"chairs can be pine."
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