saw1
  
  n.
  - a hand tool for cutting wood and similar material, typically having a long, thin serrated blade and operated using a backwards and forwards movement. ▸a mechanical power-driven cutting tool with a toothed rotating disc or moving band. 
- Zoology  a serrated organ or part, e.g. the toothed snout of a sawfish.
v.
 (past part. chiefly Brit. sawn or chiefly N. Amer. sawed)
  - cut, make, or form with a saw. ▸cut as if with a saw, especially roughly. ▸make rapid sawlike motions. 
- 
(saw off)
 Canadian compromise by making concessions.
Etymology
  OE saga, of Gmc origin.
 
  
    
saw3
  
  
  Etymology
  OE sagu ‘a saying, speech’, of Gmc origin; rel. to say and saga.