headache powder headache plant • headache tree · · · Info · Definitions · Synonyms · Characters · · headache powder · · Text Common · · Latin · · Scripts 15 · · Length 4 · · Syllables Definitions · · · (noun) a powdered form of aspirin. Synonyms: aspirin powder, headache powder. · · Noun Definition 1 Synonyms · · · aspirin powder · · 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 h latin small letter h U+0068 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 w latin small letter w U+0077