ar
UK /ˈɑː/ · US /ˈɑɹ/ noun
Also a form of are
Forms ars
- noun The name of the Latin script letter R/r. “All the ars in the inscription.”
- noun (countable, weaponry) An AR-15 personal semi-automatic rifle, M-16 assault rifle, M-4 carbine, derivative or related gun; the Armalite AR family and derivatives.
- noun (countable, weaponry, informal) An assault rifle or automatic rifle.
Synonyms
MR mixed reality spatial computing CPS w:cyber-physical system Ark. Ark ARW AWI argon atomic number 18 are Arkansas Land of Opportunity
Etymology
From Middle English *ar, arres pl, from earlier *er.
Abbreviation.
Webster’s 1913
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “ar”, CC BY-SA 4.0. Details