- In plumbing, a pipe or fitting that continues in the same straight line as the direction of flow.
- In roofing, the horizontal distance between the outer face of the wall and the roof ridge.
- In stairs, the horizontal distance from the face of the first riser to the face of the last riser.
- Series of surveyed elevation changes in one direction.
- To sieve plaster or putty. (6) Window sash.