Meaning of Sam Browne belt

Sam' Browne' belt"

Pronunciation: (sam' broun'), [key]
  1. a sword belt having a supporting strap over the right shoulder, formerly worn by officers in the U.S. Army, now sometimes worn as part of the uniform by police officers, guards, and army officers in other nations.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.