In live versions of the song, Vedder has sung the lyric "Divided by fear" (see
as an example). The symbol in the lyric sheet was probably intended to be the long division symbol, for "divided."fear."Here is a live version of Rearviewmirror from Pearl Jam's YouTube channel with the alternate lyric.
The symbol in the lyric sheet was probably intended to be the long division symbol, for "divided."