An exposed, roughly vertical expanse of rock

plural of rock crab

Hemigrapsus sexdentatus, a large-eyed marine crab found off the coast of New Zealand, the common rock crab

Alternative spelling of robber baron

(historical) In Europe, an aristocrat who charged exorbitant fees or otherwise exacted money from people who journeyed across land or waterways which he controlled.

A mixture of grit and salt (often calcium chloride) spread on the surface of roads to prevent the formation of ice during cold, damp weather

plural of rock-jumper

Either of two bird species in the passerine family Chaetopidae, endemic to southern Africa.

Intensifier. / Euphemistic shortening of "fuck you and the horse you rode in on"

(Britain) The European robin. / Any robin. / (UK, slang, historical) A Bow Street Runner (from the colour of his waistcoat).