Colistium guntheri, a species of edible flatfish.

Shining brightly. / (of a colour) Both bright and saturated. / (of a voice or sound) Having a sharp, clear tone / (Britain) Of surpassing excellence. / (Britain) Magnificent or wonderful.

A finely cut gemstone, especially a diamond, cut in a particular form with numerous facets so as to maximize light return through the top (called "table") of the stone.

A nonce word in Lewis Carroll's Jabberwocky, explained by Humpty Dumpty as "four o'clock in the afternoon — the time when you begin broiling things for dinner."

The quality of being exceptionally effulgent (giving off light). / The quality of having extraordinary mental capacity. / (chiefly Britain) Magnificence; resplendence.

A shining quality; brilliance. / An act of being brilliant. / (chess) A spectacular and beautiful game of chess, generally featuring sacrificial attacks and unexpected moves.

firehead tetra

(slang) brilliant; excellent

A hair pomade, making the hair shine brilliantly. / A smooth shiny, luxurious fabric, often of alpaca or vicuña.

To apply brilliantine to the hair.