DCHP-1 Online
deadhead 
n. a water-soaked log partly or entirely submerged, usually with one end embedded in the bottom.
See also: snag (def. 1)
- 1902 He was enabled to catch the slanting end of a "dead head" log whose lower end was jammed in the crib.
- 1924 Trunks, branches, and foliage of the wreckage swayed like dead heads at midstream.
- 1963 In lakes try [fishing] beside shoreline deadheads, fallen trees and logs.
- 1902 He was enabled to catch the slanting end of a "dead head" log whose lower end was jammed in the crib.