Definition of "jacksmelt" []

• A relatively large silversides of the Pacific coast of North America (known to reach 18 inches in length) (noun)

WordNet. Princeton University. 2010.

• "The report specifically identifies jacksmelt and Pacific chub mackerel as being safe to eat multiple times per week in small portions of 3ounces each."
• "My dad told me about the jacksmelt, a fish so dumb that you catch them without even baiting the hook."