The crime of deliberately starting a fire with intent to cause damage.

(transitive) To illegally set fire to; to burn down in a criminal manner.

(obsolete) A saddlebow.

plural of arson

Of or relating to arson. / (chemistry) Of or pertaining to the arsonous acids or their derivatives

Of or pertaining to arsonic acids or their derivatives

The tendency to commit arson.

(inorganic chemistry) The oxyanion HAsO₃²⁻, derivatives, or any salt containing this ion

plural of arsonate

present participle of arson