Brill

·noun A fish allied to the turbot (Rhombus levis), much esteemed in England for food;

— called also bret, pearl, prill. ·see Bret.

brill
n. a small and very bony rhomboidal fish of New Zealand, Pseudorhombus scaphus, family Pleuronectid...

Dictionary of Australasian Words Phrases and Usages by Edward E. Morris
brill
The Pleuronectes rhombus, a common fish, allied to, but rather smaller than, the turbot. ...

The Sailor's Word-Book