0 an electric saw (= a tool for cutting hard materials) that has a circular blade, sometimes with sharp points along the edge:
Crosscut the 5/4 material into 24-inch lengths for the legs using a circular saw.
A section of old garden hose can be used to protect the cutting blade on tools such as hoes, scythes and circular saws.
Anything over 90 decibels (about the sound created by a circular saw) can cause hearing damage.
The accident resulted from the recent innovation of hedge cutting by means of a mechanical circular saw.
One incident, reported by more than one person, was of a settler put to death by being fed to a circular saw.
Nobody could use a circular saw which did not have a gap of about 2 inches for the wood to go through.