jump ((n.))

DCHP-1 (pre-1967)

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1n.

a place where Plains Indians slaughtered buffalo by stampeding them over a precipice.

Quotations

1964

Archaeologists have unearthed about 20 of these jumps within 50 miles of Calgary and estimate some were in use before Christ was born.

2n.

a forest fire started by burning material carried ahead by wind from another blaze.

1963

The back-pack pump is . . . mainly used for initial action on smaller fires, patrolling fire-lines to stop "jumps," and in mopping-up operations.