half-moon half-monthly • half-moral · · · Info · Definitions · Synonyms · Characters · · half-moon · · Text Common · · Latin · · Scripts 9 · · Length Definitions · · · (noun) the crescent-shaped area at the base of the human fingernail. Synonyms: lunula, lunule. · · Noun Definition 1 (noun) the time at which the Moon is at first or last quarter when half its face is illuminated. · · Noun Definition 2 Synonyms · · · lunula · · Synonym 1 lunule · · Synonym 2 Characters · · - hyphen-minus U+002D a latin small letter a U+0061 f latin small letter f U+0066 h latin small letter h U+0068 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