DCHP-1 Online
jam-pile 
n. a large pile of driftwood in a river.
See also: driftpile
- 1963 Near evening luck was with us [in a scow] in getting by a large jam-pile of big uprooted trees lodged on rocks.
- 1963 Near evening luck was with us [in a scow] in getting by a large jam-pile of big uprooted trees lodged on rocks.