Princeton's WordNet

1. weaponry, arms, implements of war, weapons system, munition(noun)

   weapons considered collectively

2. coat of arms, arms, blazon, blazonry(noun)

   the official symbols of a family, state, etc.

Kernerman English Learner's Dictionary

1. arms(noun)ˈɑɑrmz

   weapons for military groups

   countries supplying arms to terrorists; an arms dealer

2. armsˈɑɑrmz

   limiting the number of weapons a country can have

3. armsˈɑɑrmz

   angry about sth

   Environmental groups were up in arms at the president's decision.

Webster Dictionary

1. Arms(noun)

   instruments or weapons of offense or defense

2. Arms(noun)

   the deeds or exploits of war; military service or science

3. Arms(noun)

   anything which a man takes in his hand in anger, to strike or assault another with; an aggressive weapon

4. Arms(noun)

   the ensigns armorial of a family, consisting of figures and colors borne in shields, banners, etc., as marks of dignity and distinction, and descending from father to son

5. Arms(noun)

   the legs of a hawk from the thigh to the foot

• wapensAfrikaans
• أسْلِحَـهArabic
• оръжиеBulgarian
• armasPortuguese (BR)
• zbraněCzech
• die WaffenGerman
• (skyde)våbenDanish
• όπλαGreek
• armasSpanish
• relvadEstonian
• جنگ افزارFarsi
• aseetFinnish
• armesFrench
• כְּלֵי נֶשֶקHebrew
• अस्त्र-शस्त्रHindi
• oružjeCroatian
• fegyverHungarian
• senjataIndonesian
• vopnIcelandic
• armiItalian
• 武器Japanese
• 무기Korean
• ginklaiLithuanian
• ieročiLatvian
• senjataMalay
• wapensDutch
• våpenNorwegian
• brońPolish
• جنگ افزارPersian
• د جنګ سامانPashto
• armasPortuguese
• armeRomanian
• оружиеRussian
• zbraneSlovak
• orožjeSlovenian
• oružjeSerbian
• vapenSwedish
• อาวุธThai
• silâhTurkish
• 武器Chinese (Trad.)
• зброяUkrainian
• اسلحہ ، ہتھیارUrdu
• vũ khíVietnamese
• 武器Chinese (Simp.)