n.
Function: verb
Etymology: Middle English armen, from Anglo-French armer, from Latin armare, from arma weapons, tools; akin to Latin ars skill, Greek harmos joint, arariskein to fit
Date: 12th century
transitive verb
1 : to furnish or equip with weapons
2 : to furnish with something that strengthens or protects < arm ing citizens with the right to vote>
3 : to equip or ready for action or operation < arm a bomb>
intransitive verb : to prepare oneself for struggle or resistance < arm for combat>