D defs.my
Entry 1 sense Webster, 1913

Brackish

/brăk'-ĭsh/ · Brack·ish · IPA /ˈbɹækɪʃ/
01 a. Saltish, or salt in a moderate degree, as water in saline soil.
  1. 1.
    Saltish, or salt in a moderate degree, as water in saline soil.
    “Springs in deserts found seem sweet, all brackish though they be.” Byron.