Word: 凹 (āo, wā) 凹 dictionary entry āo concave wā (used in names) Full dictionary entry for 凹 Example sentences using 凹 2 sentences, showing page 1 of 1. 勺子是凹的，可以盛汤。 Sháozi shì āo de, kěyǐ shèng tāng. The spoon is hollow, so it can hold soup. 这个盘子中间有点凹。 Zhège pánzi zhōngjiān yǒudiǎn āo. The middle of this plate is a bit concave.