Tricyclic saturated hydrocarbons having two bridgehead carbon atoms joined through four bridges, systematically named tricyclo [m.n.o.p 1, ( m + 2 )] alkanes, have been referred to as [m.n.o.p] paddlanes (when p = 0, the compounds are propellanes).
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Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1355 (https://doi.org/10.1351/pac199567081307)