(pīn) noun
1. A cone–bearing tree (genus Pinus) having needle–shaped evergreen leaves growing in clusters; especially, the American white pine (P. strobus), the long–leaved southern Georgia or yellow pine (P. palustris), the loblolly or oldfield pine (P. taeda), the red pine (P. resinosa) of the eastern United States, and a nut pine (P. cembroides) of the Pacific States.
2. The wood of any pine tree.
3. Colloq. The pineapple. [Fusion of OE pīn and OF pin, both <L pinus a pine tree]

(pīn) v. pined, pin·ing v.i.
1. To grow thin or weak with longing, grief, etc.
2. To have great desire or longing: with for.
—v.t.
3. Archaic To grieve for. [OE pīnian torment, ult. <L poena a punishment]