heart pine
chiefly US
noun
The dense heartwood of a mature pine tree, especially of the longleaf pine, Pinus palustris.
Origin
Late 18th century.
- organdie
- organ donor
- organdy
- organed
- organella
- organellar
- organelle
- organette
- organetto
- organ gallery
- organ grinder
- organ-grinding
- organ-harmonium
- organic
- organic alkali
- organically
- organicalness
- organic chemist
- organic chemistry
- organicism
- organicist
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- organicity
- organic law
- organic metal