Wiktionary
triple bars
n. (plural of triple bar English)
Usage examples of "triple bars".
Both stiffen at his words and at the sight of the triple bars on his uniform collar.
She wore the standard shipsuit with the antique holoed wings and triple bars.
The linked silver triple bars of a sub-majer glitter on the collar of Dettaur's cream and green uniform, and he inclines his head.