latrodectus mactans latrodectus • latron · · · Info · Definitions · Synonyms · Characters · · latrodectus mactans · · Text Common · · Latin · · Scripts 19 · · Length 6 · · Syllables Definitions · · · (noun) venomous New World spider; the female is black with an hourglass-shaped red mark on the underside of the abdomen. Synonyms: black widow, Latrodectus mactans. · · Noun Definition 1 Synonyms · · · black widow · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075