DuckCorp Dico

Found one definition

1.                 From English-日本語 (にほんご) FreeDict+WikDict dictionary ver. 2022.11.18:
                   
   
   
                   
                     
   binder //ˈbaɪndə// //ˈbaɪndɚ// <n>
   1. バインダー
   machine used in harvesting that ties cut stalks of grain into a bundle
   2. ナベシャツ, 胸つぶし
   material or clothing used in binding or flattening the breasts