An arm is a part of your body. It goes from your shoulder to your hand. We use arms to carry, hold, and move things.
She broke her arm in the fall.
He raised his arm to ask a question.
An arm means a part of a big group or company. It is like a small part that works in a certain place or way.
The company has an arm in Europe.
The army is an armed arm of the government.
To arm someone means to give them weapons or tools for fighting or protection. It is often used for armies or police.
The soldiers were armed with guns.
They armed the police before the event.
To arm yourself means to get ready or prepare with what you need for a difficult task or situation. It is not always about weapons.
She armed herself with knowledge.
He armed himself before the debate.
In machines, an arm is a part that looks like a human arm. It can hold, lift, or move things. Robots and cranes have arms.
The crane has a long arm to lift objects.
The robot's arm moved quickly.
An arm can be a smaller part of a river or pipe that comes out from the main one. It is like a small branch of water or flow.
The river has many arms in its delta.
Water flows through the arm of the pipe.
To arm someone or something can also mean to hold or support it with your arms. This use is less common but still understood.
He armed the child carefully.
She armed the heavy bag with both arms.
The phrase 'arm and arm' means two people walk with their arms linked. It shows closeness and friendship.
They walked arm and arm in the park.
She held him arm in arm tightly.
