n. A surgical instrument of approximately trowel shape, used to push back protruding parts from the field of operation.n. A tool, generally consisting of a flat long triangular, oval, or oblong blade of iron or steel, fitted with a handle, used by masons, plasterers, and bricklayers for spreading and dressing mortar and plaster, and for cutting bricks, and also by molders for smoothing the surface of the sand or loam composing the mold.n. A gardeners' tool, like a small spade or scoop, used for taking up plants and for other purposes. See figs. k, above.n. A tool used in oil-cloth manufacturing to spread paint and remove what may be superfluous. It is made of steel, is 2 feet long, and very elastic, and has a handle near the broad end.To dress, form, or apply with a trowel: as, troweled stucco.