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a. A blasting fuse or other contrivance used to fire an explosive charge.
CTD
b. In mining, a metal cylinder that connects a main fuse with separate
fuses that are only limited by the number of blasts to be fired.
Standard, 2
c. A device to relight safety lamps internally by friction. One type uses
a waxed strip with igniting matches at intervals, while another type has a
small burred wheel operating against a piece of cerium or something of a
similar nature. Electrical devices are sometimes employed. Fay
d. One that ignites as (1) a charge, usually of black gunpowder, used to
facilitate the ignition of a propelling charge and sometimes of a bursting
charge; (2) a device for igniting fuel mixture (as in an internal
combustion engine, a jet engine, or a rocket engine); (3) a separately
energized electrode used for restriking the arc in an ignitron.
Webster 3rd
Source:
Dictionary of Mining, Mineral, and Related Terms
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