1.   A thick wall keeps the noise at bay.

2.   Once inside, I mounted the battlements and explored hidden alcoves carved into the thick walls.

3.   This has walls thick with blood capillaries which absorb gaseous oxygen.

4.   The old Dutch fort with its thick high walls looks virtually impregnable.

5.   An ice-house is a building with thick stone walls.

6.   Insulated by thick walls, ceiling and door the ice would last throughout the summer heat.

7.   The lower storey has thick walls while the upper one has thinner walls set back to form a terrace all round at first floor level.

8.   An ancillary benefit is that the thick walls seem to knock down all noise from neighboring rooms.

9.   And an especially thick wall was erected around the entire enterprise to keep out the pollution generated by politicians and advertisers.