trowel /ˈtɹaʊ.əl/noun 3verb 3forms 5 noun3 •A gardener’s tool, shaped like a scoop, used in taking up plants, stirring soil etc.I need to dig a hole for these begonias; would you pass me that trowel? •A mason’s tool, used in spreading and dressing mortar, and breaking bricks to shape them. •A tool used for smoothing a mold. verb3 •To apply (a substance) with a trowel.He troweled the coarse mix with a twist, leaving a pattern of arcs. •(informal, figurative) To apply something heavily or unsubtly. •To pass over with a trowel. formstroweled · trowelled · troweling · trowelling · trowels