pine1
  
  n.
  - 
(also pine tree)
 an evergreen coniferous tree having clusters of long needle-shaped leaves, grown for its soft wood or for tar and turpentine. 
[Genus Pinus: many species.]
 ▸used in names of coniferous trees of other families, e.g. Chile pine. 
- used in names of unrelated plants that resemble the pines in some way, e.g. screw pine.
Derivative
  
    - pinery n.
- piny 
(also piney)
 adj.
 
  Etymology
  OE, from L. pinus, reinforced in ME by OFr. pin.
 
  
    
pine2
  
  v.
 suffer a mental and physical decline, especially because of sorrow. 
▸
(pine for)
 miss and long for the return of.
Etymology
  OE pīnian ‘(cause to) suffer’, of Gmc origin; ult. based on L. poena ‘punishment’.