凹 āowā HSK7 concave Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: hollow All meanings 4 āo 3 concave 3wā 1 hollow 1 1 sentence for 凹 (wā — hollow) 瓦窑凹是一个小村庄。 wǎyáo wā shì yī gè xiǎo cūnzhuāng. Wayaowa is a small village. Source: Dong Chinese Dictionary