waybeam

Etymology

From way + beam.

waybeam means A longitudinal timber supporting railway track, especially on a bridge. Lexicurio rates it Sui generis — a strength score of 95 out of 100.

noun

A longitudinal timber supporting railway track, especially on a bridge.“Oak waybeams, 28 ft. long × 14 in. wide × 9½ in. deep, resting in the troughs, support the track, which is laid with flat-bottom bridge rails, 56 ft. long, and weighing 126 lb. per yd.”