IPA: /rɪˈɑːrm/
KK: /rɪˈɑrm/
To prepare or equip oneself again with weapons or resources.
After the battle, the soldiers had to rearm before the next fight.
Past: rearmed
Past Participle: rearmed
To provide someone or something with weapons again or to supply with improved weapons.
The country decided to rearm its military forces to strengthen its defense.
Past: rearmed
Past Participle: rearmed
Rearm → It is formed from "re-" (meaning again) and "arm" (from Old English "earm", meaning to equip or provide with weapons). The word "rearm" means to equip or provide with weapons again.
Think of 'arming' someone 'again' — 're-' means again, and 'arm' means to equip.