What is the meaning of Stretching?

The act by which something is stretched.

A form of physical exercise in which a specific skeletal muscle (or muscle group) is deliberately elongated to its fullest length in order to improve the muscle's felt elasticity and reaffirm comfortable muscle tone.

Requiring a high level of effort or performance.

present participle and gerund of stretch

stretching

stretching (form of physical exercise in which a specific skeletal muscle (or muscle group) is deliberately elongated to its fullest length in order to improve the muscle's felt elasticity and reaffirm comfortable muscle tone)

stretching (form of physical exercise)

Source: wiktionary.org