drill down(redirected from drilled down)
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1. To bore a hole down into something; to drill in a downward direction. Unfortunately, we need to drill down into the ground to try to find the burst pipe.
2. To examine or study something in detail. OK, how can I drill down and get more information on each payee on this spreadsheet?
drill down (to something)
to bore downward to something or some distance. We drilled down to a layer of waterbearing sand, hoping to make a well. They had to drill down to bedrock to make a base for the piers that hold the building up.