1.nounA tool with a toothed blade used for cutting hard substances, in particular wood or metal
2.nounA musical saw.
3.nounA sawtooth wave.
4.verbTo 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;"
5.verbTo make a motion back and forth similar to cutting something with a saw.
"The fiddler sawed away at his instrument."
6.verbTo be cut with a saw.
"The timber saws smoothly."
7.verbTo 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)"