S: http://www.adrc.asia/countryreport/NPL/NPLeng99/Nepal99.htm (last access: 30 June 2015)
N: 1. mid-15c., from thunder (n.) + bolt (n.) “arrow, projectile.”
2. A single discharge of lightning with the accompanying thunder. First Known Use of THUNDERBOLT: 15th century.
3. Cultural Interrelation: We can mention the movie Powder (1995) directed by Victor Salva
S: 1. OED – http://etymonline.com/index.php?term=thunderbolt&allowed_in_frame=0 (last access: 30 June 2015). 2. MW – http://www.merriam-webster.com/dictionary/thunderbolt (last access: 30 June 2015). 3. http://www.rottentomatoes.com/m/powder/ (last access: 30.06.2015).
SYN: ground discharge, cloud-to-ground discharge.
CR: natural disaster, lightning, thunder, thunderstorm.