A subspecies of Atlantic herring, (Clupea harengus membras), living in the Baltic Sea, smaller than Atlantic herring, with leaner flesh.

Clupea harengus, an abundant species of herring and an important food fish living in the North Atlantic.

(thermodynamics) An object, system or environment that absorbs and dissipates heat from objects in thermal contact (either direct or radiant) with it.

Silly and lacking sense or discretion; featherbrained or scatterbrained.

The chief officer of the executive branch of a government, often presiding over a cabinet; usually called Prime Minister (in a parliamentary system) or President (in a presidential system).

Alternative form of bighearted

(rail transport) The top part of a railway rail; the part of the rail the wheel runs on.

(UK, slang) Hard at work; preparing oneself to work hard.

plural of hedge fund

Alternative spelling of dickhead