'Barrel Chest': An Explainer Eli Hendel, M.D. / @Lung_doctor, Health Professional The term âbarrel chestâ has been used frequently in medical literature, typically to describe a finding during a physical examination. It is also a term used in text books and clinical papers describing an attribute that is suggestive of a clinical process.
An anvil is a heavy block of iron or steel that blacksmiths use to shape metal. It's durable enough to withstand red hot metals and repeated hammer blows, but you don't want your foot to be under if it falls off the table.
Anvil lightning is a type of lightning referred to as the bolt from the blue because it often appears suddenly from a seemingly cloudless sky. A bolt at the top of a thunderstorm arcs away from the main cloud and strikes the ground where the skies above often appear clear.