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

A musical saw.

A sawtooth wave.

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.”

Something spoken; speech, discourse.

A saying or proverb.

“old saw”

Opinion, idea, belief.

“by thy saw”