The term "limber" has several meanings, depending on its context.
1) In a physical sense, limber refers to being flexible or supple in body movements. For example, one can say that an athlete is very limber if they have the ability to perform complex and difficult stretches with ease.
2) In military terminology, "limber" means a light two-wheeled carriage drawn by horses, used for transporting artillery ammunition. It was often used in combination with cannons during battles or wars.
3) In horse riding and driving, limber refers to the act of making an animal supple and flexible through exercise and training. This helps improve its performance and make it more obedient to commands.
Overall, "limber" is a term that conveys flexibility or ease in movement, whether physical or metaphorical.