DuckCorp Dico

Found one definition

1.                 From English-日本語 (にほんご) FreeDict+WikDict dictionary ver. 2022.11.18:
                   
   
   
                   
                     
   tuning //tjuːnɪŋ// <n>
   1. チューニング
   the adjustment of a system or circuit to secure optimum performance
   2. 調律
   the calibration of a musical instrument to a standard pitch