crosstie

from WordNet (r) 3.0 (2006)

crosstie
    n 1: one of the cross braces that support the rails on a railway
         track; "the British call a railroad tie a sleeper" [syn:
         {tie}, {railroad tie}, {crosstie}, {sleeper}]

from The Collaborative International Dictionary of English v.0.48

Cross-tie \Cross"-tie`\ (-t?`), n. (Railroad)
   A sleeper supporting and connecting the rails, and holding
   them in place.
   [1913 Webster]

[email protected]