pencil
noun
a slender tube of wood, metal, plastic, etc., containing a core or strip of graphite, a solid coloring material, or the like, used for writing or drawing.
Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The girl, who had been pencilling a large "10:46" on the envelope, looked up in surprise; but rose immediately to the occasion.
From Sisters by Kathleen Thompson Norris