Webster's Revised Unabridged Dictionary · 1913

Brack

Brack (brak) , noun

[CompareD. braak, Danish brak, a breaking, Swedish & Icelandic brak a crackling, creaking. Compare Breach.]

An opening caused by the parting of any solid body; a crack or breach; a flaw.
Stain or brack in her sweet reputation. — J. Fletcher

Brack , noun

[Dutch brak, adj., salt; compare LG. wrak refuse, German brack.]

Salt or brackish water. [Obsolete] — Drayton