What is a 'rigid bike'?

What is a 'rigid bike'?

Ericson Monsalud (Owner, Bike Attack) gives expert video advice on: What factors should I consider when buying a bicycle?; How do I choose the right size bicycle for me?; How do I choose the right bicycle for my child? and more...

A bicycle with no suspension is a rigid bike, pretty much; a rigid bike is a bicycle without suspension.