(chiefly US, idiomatic) To work diligently; to serve as the principal performer of a demanding task or set of tasks.

A work of art. / (uncountable, collective) The complete body of an artist's work.

plural of dermatitis

To arrive at a shallow (or less deep) area. / (transitive) To cause a shallowing; to come to a more shallow part of. / To become shallow.