crab louse crab louis • crab meat · · · Info · Definitions · Synonyms · Characters · · crab louse · · Text Common · · Latin · · Scripts 10 · · Length 2 · · Syllables Definitions · · · (noun) a louse that infests the pubic region of the human body. Synonyms: crab louse, pubic louse, crab, Phthirius pubis. · · Noun Definition 1 Synonyms · · · pubic louse · · Synonym 1 crab · · Synonym 2 phthirius pubis · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075