Wheelchair (noun)

1. A chair mounted on wheels, typically pushed by someone, used by people who are unable to walk or have difficulty walking.
2. A device used to transport people who have mobility impairments.

Origin:

Mid-19th century: from wheel + chair.

Examples:

1. The patient was confined to a wheelchair.
2. The elderly man was pushed in a wheelchair by his son.
3. The wheelchair was equipped with special features for the patient's needs.
4. The wheelchair ramp allowed the patient access to the building.
5. The wheelchair user was able to participate in the marathon with the help of a special device.