applesauce n. + Add to list US //ˈæpəɫˌsɔs// UK //ˈæpəlsˌɔːs// ap·ple·sauce Archaic Slang SynonymsEtymology Synonyms codswallopfolderolrubbishtrashtripetrumperywish washOrigin From apple + sauce. Idioms1 entry01criss-cross applesauce(of sitting): Cross-legged.