弦月 xiányuè half-moon Origin Definitions Defs Strokes Stroke Words Sentences Sents 上弦月 shàngxiányuè first quarter moon the first quarter phase of the moon下弦月 xiàxiányuè last quarter moon the third quarter phase of the moon, also known as the last quarter moon弦月窗 xiányuèchuāng lunette a crescent-shaped or semicircular window or architectural opening