any judge of a federal district court.
Origin of district judge
An Americanism dating back to 1780–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for district judge
My father was a fine man; I have been told that he knew no end of things, and I daresay he did, since he was a district-judge.Mogens and Other Stories|Jens Peter Jacobsen