Definition of Arm 1. A human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb Noun 2. Any projection that is thought to resemble a human arm Noun 3. Any instrument or instrumentality used in fighting or hunting Noun 4. The part of an armchair or sofa that supports the elbow and forearm of a seated person Noun 5. A division of some larger or more complex organization Noun 6. The part of a garment that is attached at the armhole and that provides a cloth covering for the arm Noun 7. Prepare oneself for a military confrontation Verb 8. Supply with arms Verb Advertising & Sponsored links Synonyms for word "arm" Advertising & Sponsored links Semanticaly linked words with "arm" Hyponims for word "arm" Lexical Analysis for "arm" armament the act of equiping with weapons in preparation for war weaponry used by military or naval force armlet a band worn around the arm for decoration armor a military unit consisting of armored fighting vehicles disarm remove offensive capability from Advertising & Sponsored links Advertising & Sponsored links etymology armbone etymology armed etymology armest etymology armeth etymology armful etymology armguard etymology armhole etymology armlength etymology armless etymology armlet etymology armlike etymology armlong etymology armpit etymology armrack etymology armshield etymology crankarm etymology firearm etymology forearm etymology interarm etymology overarm etymology prearm etymology rearm etymology roundarm etymology sidearm etymology swingarm etymology unarm etymologically related armor etymologically related armth etymologically related army etymological origin of arm is derived from -armed is derived from arm in arm is derived from arm to the teeth is derived from arm's reach is derived from armband is derived from armchair is derived from armed is derived from armful is derived from armhole is derived from arming is derived from armless is derived from armlet is derived from armlock is derived from armpit is derived from armrest is derived from arms is derived from arms factory is derived from arms race is derived from armth is derived from army is derived from at arm's length is derived from babe in arms is derived from bear arms is derived from brothers in arms is derived from chance one's arm is derived from coat of arms is derived from cost an arm and a leg is derived from firearm is derived from in arm's reach is derived from in arms is derived from in the arms of Morpheus is derived from lay down one's arms is derived from lower arm is derived from on one's arm is derived from present arms is derived from right arm is derived from shot in the arm is derived from sidearm is derived from take in one's arms is derived from take someone's arm is derived from take up arms against is derived from to arms is derived from unarmed is derived from under arms is derived from up in arms is derived from upper arm is derived from with open arms is derived from within arm's reach