meals on wheels noun2 •A service that delivers food to those unable to cook for themselves, such as the elderly and people with disabilities. •[plural only] The foods delivered by this service.Meals on wheels are served at noon on Mondays, Wednesdays, and Fridays. Twenty-four volunteers delivered approximately 1,000 meals in 1989, for an average of about 6 or 7 clients per day. — 1992