head lice head lettuce • headlight · · · Info · Definitions · Synonyms · Characters · · head lice · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) infestation of the scalp with lice. Synonyms: pediculosis capitis, head lice. · · Noun Definition 1 (noun) infests the head and body of humans. Synonyms: head louse, Pediculus capitis. · · Noun Definition 1 Synonyms · · · pediculosis capitis · · Synonym 1 head louse · · Synonym 2 pediculus capitis · · Synonym 3 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 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C