Definition of "brack"

brack¹

/bɹæk/

noun
uncountable
1. (obsolete) Salty or brackish water.
  Quotations
  The very earth to fill the hungry mawe;When they far'd best, they fed on Fearne and brack,
  1627, Michaell Drayton [i.e., Michael Drayton], “The Moone-calfe”, in The Battaile of Agincourt. […], London: […] A[ugustine] M[atthews] for VVilliam Lee, […], published 1631

brack²

/bɹæk/

noun
plural bracks
1. An opening caused by the parting of a solid body; a crack or breach.
  Quotations
  You may find time out in eternity,Deceit and violence in heavenly Justice,Life in the grave, and death among the blessed,Ere stain or brack in her sweet reputation.
  1624 June 6 (licensing date), John Fletcher, “A VVife for a Moneth”, in Comedies and Tragedies […], London: […] Humphrey Robinson, […], and for Humphrey Moseley […], published 1647, Act I, scene i
2. A flaw in cloth.
  Quotations
  […] You must take care that all the bracks and rents in the Linen be duly mended.
  1677, Hannah Woolley, The Compleat Servant-Maid‎, London: T. Passinger, page 164

brack³

/bɹæk/

noun
countable and uncountable, plural bracks
1. Barmbrack.
  Quotations
  MAIRE MIRKIN (played by Brid Brennan): ”Sit down please the both of you. You’ve intruded right into the middle of our nightcap, young man. I was just about to serve a toddy to Hector and myself. Can I fix you one?”.ARM (played by Cosmo Jarvis): A wha…?HECTOR: Do, dear, yeah. And, um (clicks tongue) cut us a few wodges of brack while you’re at it.
  2020 January 6, Joe Murtagh, Colin Barrett, 01:18:44 from the start, in Calm With Horses (film), spoken by Hector (David Wilmott)