per-tĕrĕbro, āvi, ātum, 1, v. a.,
to bore through : columnam, Cic. Div. 1, 24, 48: lapis perterebratus, Vitr. 8, 7, 8; Arn. 3, 107.
per-terebrō āvī, —, āre, to bore through. ...
An Elementary Latin Dictionary