wainscotingEnglishOxford New American Dictionarywainscoting /ˈwānskōdiNG, , ˈweɪnskoʊdɪŋ , ˈwānˌskädiNG, ˈweɪnˌskɑdɪŋ / (also wainscotting) ▸ noun wooden paneling that lines the lower part of the walls of a room. ▪ material for wainscoting.