Duckbill (noun)

A tool or appliance having a flat, wide, usually semicircular blade, used especially for spreading or smoothing a surface.

Origin:

The word duckbill is derived from the appearance of the tool which resembles the bill of a duck.

Examples:

1. The construction worker used a duckbill to level the concrete.
2. The duckbill was an essential tool in applying the adhesive evenly on the surface.
3. The bricklayer smoothed the mortar with a duckbill trowel.
4. The artist used a duckbill spatula to spread the paint evenly on the canvas.
5. The cake decorator utilized a duckbill to create ruffled edges on the icing.