Main Entry: ⁴rock

Function: noun

Etymology: Middle English rokke, from Old French dial. (Norman & Picard) roke, from Vulgar Latin *rocca

Date: 14th century

1 : a large mass of stone forming a cliff, promontory, or peak
2 : a concreted mass of stony material; also : broken pieces of such masses
3 : consolidated or unconsolidated solid mineral matter; also : a particular mass of it
4 a : something like a rock in firmness: (1) : foundation, support (2) : refuge <a rock of independent thought…in an ocean of parochialism — Thomas Molnar> b : something that threatens or causes disaster —often used in plural
5 a : a flavored stick candy with color running through b : rock candy 1
6 slang a : gem b : diamond
7 a : a small crystallized mass of crack cocaine b : crack 9
8 : the ball used in basketball

— rock adjective

— rock·like \ˈräk-ˌlīk\ adjective

— between a rock and a hard place also between the rock and the hard place : in a difficult or uncomfortable position with no attractive way out

— on the rocks 1 : in or into a state of destruction or wreckage <their marriage is on the rocks>
2 : on ice cubes <bourbon on the rocks>