(geology) One of the major groups of rock that makes up the crust of the Earth; formed by the deposition of either the weathered remains of other rocks, the results of biological activity, or precipitation from solution.

(US, music) A simple, relatively raw form of rock and roll from the mid-1960s.

(music) A rock music genre originating from the late 1960s and early 1970s, heavily influenced by classical music and jazz.

(curling) The rock in the house closest to the button.

The traditionally accepted landing site of the Mayflower settlers to America in 1620. / A breed of poultry.

Alternative letter-case form of the Rock

(UK) Nickname of Gibraltar. A colony of the United Kingdom, of the Iberian Peninsula, Europe, on the Strait of Gibraltar, between Mediterranean and Atlantic

An American surname from German. / American capitalist. Founder, leader, and owner of Standard Oil Company.

A very rich person.

An oviparous deep-water fish, Pseudobathylagus milleri, with an adipose fin far back on its caudal peduncle.