DCHP-2

key-log Lumbering DCHP-1 (pre-1967)

• 1 n.

  the log which when released will free a jam (def. 2).

  See also: jam ((n.)) (def. 2)  key-piece  key-stick  lock-stick  

• 2 n.

  the log retaining a pile of logs at the water's edge.

  See also: brow (def. 2)