कॉन्केव (Bodo) [ Roman: con.cave]
    Contributed by: Karishma Boro on 2023-06-24
    1. Physics(Proper Adj.-Neuter) Curving inward like interior of a circle এটা বৃত্তৰ ভিতৰফালটোৰ দৰে ভিতৰৰফালে বেঁকা