Meanings
nounblue jack (uncountable)
- obsoleterareuncountablecopper sulfate
Synonyms & antonyms
nounsmall salmon of northern Pacific coasts and the Great Lakes
Similar
Broader
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
APA
blue jack. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/blue%20jack
MLA
“blue jack.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/blue%20jack. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “blue jack,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/blue%20jack.
Source: blue jack on Wiktionary, CC BY-SA 4.0.