The researcher examined the broken cell-wall under the microscope to identify the source of the damage.

The engineer inspected the shear wall for signs of damage after the earthquake.

The ancient stone-wall at the edge of the village has become a popular subject for photographers.

In the exercise manual, the instructor listed the wall-rocket as a beginner's drill.

The teacher pointed to the wall chart to explain the water cycle to the students.

Many dictionaries list wall flower as an alternative form of wallflower, though the one-word version is more common.

At the school reunion, he felt like a wall-flower until an old friend dragged him into the conversation.

The firm set up a strict Chinese wall between its advisory and trading divisions to prevent conflicts of interest.

The contractor recommended a durable wall covering to protect the nursery walls from scuffs and stains.

The team went balls-to-the-wall to meet the deadline.