DuckCorp Dico

Found one definition

1.                 From English-日本語 (にほんご) FreeDict+WikDict dictionary ver. 2022.11.18:
                   
   
   
                   
                     
   convex //kɑnˈvɛks// //kɒnˈvɛks// //kənˈvɛks// //ˈkɑn.vɛks// //ˈkɒn.vɛks// <adj>
   凸面, 凸
   curved or bowed outward like the outside of a bowl, circle, or sphere