Synonym: bob, flounder, roll, stone, sway, swing, toss, tumble. Similar words: rocky, frock, rocket, bedrock, crockery, rock salt, skyrocket, rock the boat. Meaning: [rɑk /rɒk] 
n. 1. a lump or mass of hard consolidated mineral matter 2. material consisting of the aggregate of minerals like those making up the Earth's crust 3. United States gynecologist and devout Catholic who conducted the first clinical trials of the oral contraceptive pill (1890-1984) 4. (figurative) someone who is strong and stable and dependable 5. hard bright-colored stick candy (typically flavored with peppermint) 6. a genre of popular music originating in the 1950s; a blend of Black rhythm-and-blues with White country-and-western 7. pitching dangerously to one side. v. 1. move back and forth or sideways 2. cause to move back and forth.
n. 1. a lump or mass of hard consolidated mineral matter 2. material consisting of the aggregate of minerals like those making up the Earth's crust 3. United States gynecologist and devout Catholic who conducted the first clinical trials of the oral contraceptive pill (1890-1984) 4. (figurative) someone who is strong and stable and dependable 5. hard bright-colored stick candy (typically flavored with peppermint) 6. a genre of popular music originating in the 1950s; a blend of Black rhythm-and-blues with White country-and-western 7. pitching dangerously to one side. v. 1. move back and forth or sideways 2. cause to move back and forth. 
Random good picture Not show
61. I searched desperately for a toehold in the rock face.
62. A deep furrow has formed in the rock, where water has run over it for centuries.
63. A crab scuttled away under a rock as we passed.
64. An aquifer is a water - bearing rock stratum such as sandstone and chalk.
65. It doesn't take a rocket scientist to make a rock record.
66. She hit her head on a rock and lost consciousness.
67. When the tide ebbs it's a rock pool inhabited by crustaceans.
68. The Rock of Gibraltar is one of Europe's most famous landmarks.
69. We looked for crabs in the rock pools along the seashore.
70. He dashed off to lunch at the Hard Rock Cafe.
71. We'll have to use leverage to move this huge rock.
72. The steep rock seems to be growing at an angle.
73. A big rock rolled down and he only just escaped being hit.
74. When rolling down the hill, he snatched at a rock.
75. To build the tunnel, they had to cut through 500 feet of solid rock .
76. He managed to hang on to a piece of rock protruding from the cliff face.
77. Fame in the world of rock and pop is largely ephemeral.
78. The waters were rising about the rock and would soon submerge it.
79. They drilled through several layers of rock to reach the oil.
80. The fans pressed round the rock band.
81. Pushing 40, he was an ageing rock star.
82. He graduated from Little Rock High in 1982.
83. The spade clanged when it hit the rock.
84. The stadium has hosted numerous rock concerts .
85. Children were looking for crabs in the rock pools.
86. The birds build their nests in the rock face.
87. The rock here is quarried for building stones.
88. Astronauts brought back specimens of moon rock.
89. He was a drummer in a rock band.
90. The climbers had to negotiate a steep rock face.