flatcar flatcap • flatdom · · · Info · Definitions · Synonyms · Characters · · flatcar · · Text Latin · · Script 7 · · Length Definitions · · · (noun) freight car without permanent sides or roof. Synonyms: flatbed, flat. · · Noun Definition 1 Synonyms · · · flatbed · · Synonym 1 flat · · Synonym 2 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 f latin small letter f U+0066 l latin small letter l U+006C r latin small letter r U+0072 t latin small letter t U+0074