sclopetum

scloppus (“bang”) +‎ -ētum (alternative form of -ittum)

• (Classical Latin) IPA^(key): [skɫɔˈpeː.tũː]
• (modern Italianate Ecclesiastical) IPA^(key): [skloˈpɛː.t̪um]

sclopētum n (genitive sclopētī); second declension

1. (New Latin) rifle
2. (New Latin) gun; firearm (in general)

   Synonym: arma ignifera

   • 1732, Lodovico Antonio Muratori, Rerum Italicarum scriptores ab anno aerae christianae quingentesimo ad millesimumquingentesimum‎^[1], volume 21, page 296:

     Interim rumor vagatur... ita esse Mediolanensem aciem instructam, ut singuli singula gererent Sclopeta, genus sane tormentorum terribile admodum atque exitiale.

     Meanwhile a rumor spreads... that the Milanese army was equipped in such a way that each soldier carries a single firearm, a type of weapon that is truly very terrifying and deadly.

   • 1724, Johann Peter von Ludewi, Reliquiae manuscriptorum omnis aevi diplomatum ac monumentorum, ineditorum adhuc‎^[2], volume 6, page 311:

     Janizarii præterea et hoc elogii bellici merentur, sua Sclopeta, bombardas, etc.

     Moreover, the Janissaries also deserve this military distinction for their firearms, cannons, etc.

Second-declension noun (neuter).

• "sclopetum", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)