At the end of each of the three stanzas of this poem, the narrator states that the title figure is "fallen cold and dead".
At the end of each of the three stanzas of this poem, the narrator states that the title figure is "fallen cold and dead". This is established further in the last stanza, as he does not answer, nor does he feel the  narrator's arm. The trip is over, and the prize was won, but at the end, the narrator walks the deck  mournfully. FTP, name this poem, one of several poems dedicated to Abraham Lincoln by Walt Whitman.
At the end of each of the three stanzas of this poem, the narrator states that the title figure is "fallen cold and dead".
O Captain, My Captain