dilater dilatedness • dilatingly · · · Info · Definitions · Synonyms · Characters · · dilater · · Text Latin · · Script 7 · · Length Definitions · · · (noun) a surgical instrument that is used to dilate or distend an opening or an organ. Synonyms: dilator. · · Noun Definition 1 Synonyms · · · dilator · · Synonym 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C r latin small letter r U+0072 t latin small letter t U+0074