Concave meaning in HindiTags: Avtal meaning in Hindi. Concave meaning in hindi. Concave in hindi language. What is meaning of Concave in Hindi dictionary? Concave ka matalab hindi me kya hai (Concave का हिन्दी में मतलब ). Avtal in hindi. Hindi meaning of Concave , Concave ka matalab hindi me, Concave का मतलब (मीनिंग) हिन्दी में जाने। What is Concave ? Who is Concave ? Where is Concave English to Hindi dictionary(शब्दकोश).