culvert culverkey • culvertage · · · Info · Definitions · Characters · · culvert · · Text Latin · · Script 7 · · Length Definitions · · · (noun) a transverse and totally enclosed drain under a road or railway. · · Noun Definition 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075 v latin small letter v U+0076