Noun blue jack has 1 sense
  1. coho, cohoe, coho salmon, blue jack, silver salmon, Onchorynchus kisutch - small salmon of northern Pacific coasts and the Great Lakes
    --1 is a kind of salmon
    --1 is a member of Onchorynchus, genus Onchorynchus
    --1 has parts: silver salmon, coho salmon, coho, cohoe
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