A long, narrow, more or less rigid part of an object extending from the main part or centre of the object, such as the arm of an armchair, a crane, a pair of spectacles or a pair of compasses.
A pitcher
A group of patients in a medical trial.
A limb, or locomotive or prehensile organ, of an invertebrate animal.
The extended portion of the upper limb, from the shoulder to the elbow.
The part of a piece of clothing that covers the arm.
One of the two parts of a chromosome.
Heraldic bearings or insignia.
A branch of an organization.
A bay or inlet off a main body of water.
A weapon.
The portion of the upper human appendage, from the shoulder to the wrist and sometimes including the hand.
Power; might; strength; support.
To be pitied; pitiful; wretched.
Poor; lacking in riches or wealth.
To supply with armour or (later especially) weapons.
To cover or furnish with a plate, or with whatever will add strength, force, security, or efficiency.
To take up weapons; to arm oneself.
To fit (a magnet) with an armature.
To prepare (a tool, weapon, or system) for action; to activate.
To supply with the equipment, knowledge, authority, or other tools needed for a particular task; to furnish with capability; to equip.
To become prepared for action; to activate.
A rotating shaft that drives (or is driven by) a crank.
To deform in such a manner that part of the rod or bolt is displaced sideways, offset from the longitudinal axis of the part, but remains parallel with the part's main longitudinal axis, with the final shape somewhat resembling a crankshaft.