a large mass of stone forming a hill, cliff, promontory, or the like.

Geology .

mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable quantities in nature, as by the action of heat or water.

a particular kind of such matter

igneous rock.

stone in the mass

buildings that stand upon rock.

a stone of any size.

something resembling or suggesting a rock.

a firm foundation or support

The Lord is my rock.

Chiefly British . a kind of hard candy, variously flavored.

rock candy.

Often, rocks. Slang .

a piece of money.

a dollar bill.

Slang .

a diamond.

any gem.

Slang .

crack ( def. 41 ) .

a pellet or lump of crack. ?

between a rock and a hard place

between undesirable alternatives.

get one's rocks off

Slang

Vulgar to have an orgasm.

on the rocks

Informal . in or into a state of disaster or ruin

Their marriage is on the rocks.

Informal . without funds; destitute; bankrupt.

(of a beverage, esp. liquor or a cocktail) with, or containing, ice cubes

Scotch on the rocks; a vodka martini on the rocks.

verb

hold , stabilize

noun

bedrock , boulder , cobblestone , crag , crust , earth , gravel , lava , lodge , mass , metal , mineral , ore , pebble , promontory , quarry , reef , rubble , shelf , slab , slag , anchor , bulwark , cornerstone , defense , mainstay , protection , rock of gibraltar , strength , support , bowlder , cobble , debris , geode , lamina , lode , monolith , nodule , scree , stalactite , stalagmite , stratum , talus

verb

agitate , billow , careen , concuss , convulse , falter , heave , jiggle , jog , jolt , jounce , lurch , move , oscillate , pitch , push and pull , quake , quaver , quiver , reel , roll , roll about , shake , shock , stagger , sway , swing , toss , totter , tremble , undulate , vibrate , wobble , churn , bother , discompose , disquiet , distract , disturb , flurry , fluster , perturb , ruffle , unsettle , upset