2 definitions by Mark Roberts

Verb. In orienteering, to execute a route choice perfectly; to run directly to a control without wasting any time or effort.
"I spiked everything except number 2 where I lost 30 seconds"
by Mark Roberts August 4, 2006
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Verb. In orienteering, the final approach to a control in perhaps difficult terrain, usually beginning from a location you are reasonably sure of... the "attack point".
"I attacked the pit from the bend in the path but I overshot and had to try again from the gully"
by Mark Roberts August 4, 2006
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