12345678Keywordarccrescentwooden bowFrequency#2957Strokes8ReadingshúMnemonic弓 (bow) gives the meaning and 瓜 the sound.Stroke orderComposed of弓bow瓜melonUsed in vocabulary弧húarc弧形húxíngcurve; arc弧度húdùradian; arc; curve; curvature弧线húxiànarc电弧diànhúelectric arc圆弧yuánhúarc (segment of a circle)反射弧fǎnshèhúreflex arc弧菌hújūn(biology) vibrio弧光húguāngarc light括弧kuòhúparentheses; brackets岛弧dǎohú(geology) island arc电弧焊diànhúhànelectric arc welding弧长húchángarc length霍乱弧菌huòluànhújūncholera bacterium (Vibrio cholerae)氩弧焊yàhúhànargon arc welding; TIG welding弧光灯húguāngdēngarc lamp