1. The flat metal surface of a trowel with which plaster is applied.
2. The cutting part of a knife, plane, etc.
3. The broad, slightly concave surface of a bulldozer, or the like, which pushes the material being moved.
4. One of the principal rafters of a roof.
5. To remove, spread, or level a material such as dirt, or gravel by the use of a grader.