Sentence:  Later in the century the dream again found expression in the lines of Katherine Lee Bates ( 1859 - 1929 ) , daughter and granddaughter of New England Congregational ministers , in her widely sung hymn , written in 1893 , `` America the Beautiful '' , with the words `` O beautiful for pilgrim feet whose stern impassioned stress a thoroughfare for freedom <WSD>beat</WSD> across the wilderness . 
Meaning of the word marked with <WSD> tags:  shape by beating