A jack (in any of the senses referring to types of fish).
jackfishes
jackfishes
noun
plural of jackfish
jackshaft
jackshaft
noun
A common mechanical component used to transfer or synchronize rotational force in a machine.
A wheelless axle used to turn the wheels of a locomotive.
verb
To transfer or synchronize rotational force by means of a jackshaft.
jawfish
jawfish
noun
Any of many marine fish, of the family Opistognathidae, that have large mouths.
jawfishes
jawfishes
noun
plural of jawfish
jellyfish
jellyfish
noun
A cnidarian, a member of the phylum Cnidaria.
A ctenophore, a member of the phylum Ctenophora (the comb jellies).
A scyphozoan, a member of the class Scyphozoa (the true jellies).
A sudoku technique involving possible cell locations for a digit, or pair, or triple, in uniquely four rows and four columns only. This allows for the elimination of candidates around the grid.
jellyfishes
jellyfishes
noun
plural of jellyfish
jewelfish
jewelfish
noun
Any fish in the genus Hemichromis, native to Africa.
jewelfishes
jewelfishes
noun
plural of jewelfish
jewfish
jewfish
noun
Argyrosomus japonicus (silver jewfish, also known as the mulloway jewfish in eastern Australia)