noun.
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noun.
Any of various hand tools, typically having a threaded shank and cross handle, used for boring holes in wood or ice.
noun.
A drill bit.
noun.
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noun.
A machine having a helical flange attached to a rotating shaft, used for drilling and boring or as a conveyor of loose material.
noun.
The rotating shaft and flange of such a machine, considered as a single unit.
transitive verb.
To drill, bore, or convey using an auger.
phrasal verb.
To descend out of control and crash. Used of aircraft and pilots.
phrasal verb.
To pay close attention or direct one's energy; concentrate or focus.