Meaning

• A tool with a toothed blade used for cutting hard substances, in particular wood or metal

• A musical saw.

• A sawtooth wave.

Meaning

• To cut (something) with a saw.

  "They were stoned, they were sawn asunder, were tempted, were slain with the sword: they wandered about in sheepskins and goatskins; being destitute, afflicted, tormented;"

• To make a motion back and forth similar to cutting something with a saw.

  "The fiddler sawed away at his instrument."

• To be cut with a saw.

  "The timber saws smoothly."

• To form or produce (something) by cutting with a saw.

  "to saw boards or planks (i.e. to saw logs or timber into boards or planks)"