core
noun
the central part of a fleshy fruit, containing the seeds.
Used to describe an ongoing action or continuous state that was happening at a specific time in the past.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
While the lasers were coring out the hole, six cargo cranes on their 400-ton carrier chassis had been moved into position.
From The Thirst Quenchers by Rick Raphael