definition
The portion of the upper human appendage, from the shoulder to the wrist and sometimes including the hand.
example
She stood with her right arm extended and her palm forward to indicate “Stop!”
definition
The extended portion of the upper limb, from the shoulder to the elbow.
example
The arm and forearm are parts of the upper limb in the human body.
definition
A limb, or locomotive or prehensile organ, of an invertebrate animal.
example
the arms of an octopus
definition
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.
example
The robot arm reached out and placed the part on the assembly line.
definition
A bay or inlet off a main body of water.
example
Shelburne Bay is an arm of Lake Champlain.
definition
A branch of an organization.
example
the cavalry arm of the military service
definition
Power; might; strength; support.
example
the arm of the law
definition
A pitcher
example
The team needs to sign another arm in the offseason.
definition
One of the two parts of a chromosome.
definition
A group of patients in a medical trial.