Meaning

3 senses
  1. (uncountable)Synonym of yellow fever.

  2. (countable)A yellow flag used by ships as a warning of disease.

    yellow flag hoist on a ship in quarantine

  3. (countable)A fish of species Carangoides bartholomaei, of warm western Atlantic waters.

    fish of western Atlantic and Gulf of Mexico, also known as the coolihoo (Caranx bartholomaei)

Forms

plural: yellow jacks
Singularyellow jack
Pluralyellow jacks

regular

Synonyms

4 synonyms
yellow fevercoolihoo
Close in meaning

See also

neighbours in the dictionary
yellow jack — meaning, examples, forms, synonyms | Krumeto