RUNG

a crosspiece set between the legs of a chair or as part of the back or arm of a chair. —Freedom Congress Glossary, Sept 90

a crosspiece set between the legs of a chair or as part of the back or arm of a chair. Touch the rung of the chair. - CCH. Steps 5-7 (7 July 1957)a crosspiece set between the legs of a chair or as part of the back or arm of a chair.