I. ˈwe-pən noun
Etymology: Middle English wepen, from Old English wǣpen; akin to Old High German wāffan weapon, Old Norse vāpn
Date: before 12th century
1. : something (as a club, knife, or gun) used to injure, defeat, or destroy
2. : a means of contending against another
II. transitive verb
Date: before 12th century
: arm