bittern

bittern is defined in Webster's Unabridged Dictionary (1913) with 2 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.The brine which remains in salt works after the salt is concreted, having a bitter taste from the chloride of magnesium which it contains.
  2. 2.A very bitter compound of quassia, cocculus Indicus, etc., used by fraudulent brewers in adulterating beer. Cooley.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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