(sô) noun
1. A cutting instrument with pointed teeth arranged continuously along the edge of the blade: used to cut or divide wood, bone, metal, etc. See illustrations under BUCKSAW, FRET SAW, HACKSAW.
2. A machine for operating a saw or gang of saws.
3. Any tool or instrument without teeth used like a saw, as a steel disk for cutting armor plate, etc.
—circular saw A disk having saw teeth in or on its periphery, and mounted on an arbor, with which it is rotated, usually at high speed.
—v. sawed, sawed or sawn, saw·ing v.t.
1. To cut or divide with a saw.
2. To shape or fashion with a saw.
3. To cut or slice (the air, etc.) as if using a saw: The speaker saws the air.
4. To cause to move with a to–and–fro motion like that of a saw.
—v.i.
5. To use a saw.
6. To cut: said of a saw.
7. To be cut with a saw: This wood saws easily. [OE sagu, saga]
—saw′er noun

(sô) noun
A proverbial or familiar saying; old maxim. See synonyms under ADAGE. [OE sagu. Akin to SAGA.]

(sô)
Past tense of SEE¹.

(sô) v.t. Scot.
To sow.