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key-log
Lumbering
DCHP-1 (pre-1967)
Entry from the DCHP-1 (pre-1967)
This entry may contain outdated or offensive information, terms, and examples.
1n.
the log which when released will free a jam (def. 2).
Quotations
1853
It may be thought best to cut off the key-log, or that which appears to be the principal barrier.
1894
Every hour's delay increased the tangle, and the difficulty of breaking the jam. The first thing necessary was to find the key log of the jam.
1964
We watched it [the driving boat] . . . go into quick action where river drivers loosened key logs in jams along the river.
2n.
the log retaining a pile of logs at the water's edge.
See: brow(def. 2)
Quotations
1964
When spring arrived the timber was released from its position on the shore; this was usually effected by moving the "key-log", located in such a position that it held all the others in place.