We don't have synonyms for railroad tie yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are railroad line, railroad vine and railroad ties.
(n) :
(rail transport, US) A heavy, preserved piece of hewn timber laid crossways to and supporting the rails of a railroad or a member of similar shape and function of another material such as concrete.
(n) :
A long, thin wooden beam used as a border in driveways, to hold in soil in gardens, etc.
(n) :
(rail transport, US) A heavy, preserved piece of hewn timber laid crossways to and supporting the rails of a railroad or a member of similar shape and function of another material such as concrete.
(n) :
A long, thin wooden beam used as a border in driveways, to hold in soil in gardens, etc.