Wiktionary
triple checks
n. (triple check English) vb. (en-third-person singulartriple check)
Usage examples of "triple checks".
But that was the ship's-manual ops section, and every spacer in the clan knew Pyanfar Chanur was a stickler for neatness, double and triple checks, and logging every sneeze.
He busied himself with double and triple checks to Braxant Bonecrusher's systems, ensuring everything was locked down nice and tight—.
He busied himself with double and triple checks to Braxant Bonecrusher's systems, ensuring everything was locked down nice and tight including himself.