Definitions

1. noun

any of several species of fish with a yellow or yellowish body, especially the orange roughy (Hoplostethus atlanticus) or the slimehead (Antimora rostrata) that are found in cold waters of the Atlantic and Pacific oceans

“The lemonfish is a popular game fish among recreational anglers.”

2. noun

a type of deep-sea fish that is often used in food

“Lemonfish are a delicacy in some parts of the world.”