English to English

noun (n)

• a crosspiece between the legs of a chair(noun.artifact)

  Synonym:
  round, stave
  

  source: wordnet30
• one of the crosspieces that form the steps of a ladder(noun.artifact)

  Synonym:
  rundle, spoke
  

  source: wordnet30
• A floor timber in a ship.(noun)

  source: webster1913