trowel
noun
any of various tools having a flat blade with a handle, used for depositing and working mortar, plaster, etc.
Used to express a completed action that took place before another specific past action occurred.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
At other times he carved into the layers of paint he had troweled on, like mortar between bricks or frosting on cakes.
From Los Angeles Times ● Jul. 13, 2017