1. [ noun ] (geology) a lump of hard consolidated mineral matter
Synonyms: stone

"he threw a rock at me"

Related terms: natural_object pebble stepping_stone calculus boulder outcrop crystal intrusion clastic_rock bedrock petrifaction chondrite tor sill xenolith wall_rock achondrite whin stone
2. [ verb ] move back and forth in an unstable manner
Synonyms: shake sway

"the ship was rocking" "the tall building swayed" "the tree shook in the wind"

Related terms: move_back_and_forth totter swag roll nutate wag rocking_chair
3. [ noun ] (geology) material consisting of the aggregate of minerals like those making up the Earth's crust
Synonyms: stone

"that mountain is solid rock" "stone is abundant in New England and there are many quarries"

Related terms: material marble gravel fieldstone caliche shingling pudding_stone greisen pumice road_metal quartzite aphanite sedimentary_rock metamorphic_rock dolomite emery_stone metamorphic_rock lava magma igneous_rock limestone claystone sial sima calc-tufa mineral stone
4. [ verb ] rock or place in or as if in a cradle
Synonyms: cradle

"He cradled the infant in his arms"

Related terms: hold move_back_and_forth cradle
5. [ noun ] (figurative) someone who is strong and stable and dependable

"he was her rock during the crisis" "Thou art Peter, and upon this rock I will build my church"--Gospel According to Matthew

Related terms: good_person
6. [ verb ] cause to move back and forth
Synonyms: sway

"rock the cradle" "rock the baby" "the wind swayed the trees gently"

Related terms: move rocker
7. [ noun ] (music,fine art) a genre of popular music originating in the 1950s; a blend of Black rhythm-and-blues with White country-and-western
Synonyms: rock_and_roll rock_music rock'n'roll rock-and-roll rock_'n'_roll

"rock is a generic term for the range of styles that evolved out of rock'n'roll."

Related terms: jazz popular_music heavy_metal acid_rock art_rock punk_rock backbeat backbeat
8. [ noun ] (medicine,work) United States gynecologist and devout Catholic who conducted the first clinical trials of the oral contraceptive pill (1890-1984)
Synonyms: john_rock
Related terms: gynecologist
9. [ noun ] (food) hard stick bright-colored stick candy typically peppermint flavored
Synonyms: rock_candy
Related terms: candy
10. [ noun ] Last name, frequency rank in the U.S. is 1662
11. [ noun ] (nautical) pitching dangerously to one side
Synonyms: sway tilt careen
Related terms: lurch swing careen
Similar spelling:   Rocke