Definition of "arson"

arson¹

/ˈɑɹsən/

noun
usually uncountable, plural arsons
1. The crime of deliberately starting a fire with intent to cause damage.
  Quotations
  Arson, like we thought. three punks doused a car, lit it, and took off.
  2006, Paul Chadwick, Concrete: Killer Smile, Part two, p.34
verb
third-person singular simple present arsons, present participle arsoning, simple past and past participle arsoned
1. (transitive, India) To illegally set fire to; to burn down in a criminal manner.

arson²

/ˈɑɹsən/

noun
plural arsons
1. (obsolete) A saddlebow.
  Quotations
  The kyng of Englande mounted on a freſhe courſer, the trapper of clothe of golde, of Tiſſue, the Arſon mantell wiſe […]
  1550, Edward Halle, “The xij. yere of King Henry the viij.”, in The Vnion of the Two Noble and Illuſtre Famelies of Lancaſtre and Yoꝛke‎, folio 78, recto
  Arcione, the arſon or ſaddle bowe.
  1598, John Florio, “Arcione”, in A Worlde of Words, or Most Copious, and Exact Dictionarie in Italian and English, […], London: […] Arnold Hatfield for Edw[ard] Blount, page 25, column 1
  […] And putting vp good ſtore of gold and Iewels for that iourney, and taking with him a good horſe, that was browne Bay, with a Petronell hanging at the arſon of his Saddle […]
  1634, Matheo Aleman, “Wherein Guzman de Alfarache relateth the Story of thoſe two Louers, Ozmin and Daraxa”, in Don Diego Puede-Ser, transl., The rogue: or The life of Guzman de Alfarache‎, volume 1, pages 68–69