Definitions
1.nounAn area of cutover land.
2.nounThe discontinuity that occurs when switching from the Julian calendar to the Gregorian calendar.
3.nounThe process of quickly replacing a telephone switchboard, in which the connections are duplicated to the new machine and the original connections are then suddenly disconnected.
4.noun(by extension) Any process of quickly replacing a machine so as to minimize downtime.
5.adjectiveHaving been cleared of valuable timber.