The novel is never mocking or 'arch' in its tone.
She 'arched' backward to begin the exercise.
There was a slight 'arch' to her eyebrows.
(..) And, Clouseau? Yes? Good luck. Good luck to you. And where is the press conference? Go under the arch... ...through the door on the right and down the hall. Well... The area is still secure. Thank you. (..)2006 The Pink Panther