[nautical] A rutter is a mariner`s handbook of written sailing directions. Before the advent of nautical charts, rutters were the primary store of geographic information for maritime navigation. It was known as a periplus (`sailing-around` book) in Classical antiquity and a portolano (`port book`) to Medieval Italian sailors in the Mediterr... Found on http://en.wikipedia.org/wiki/Rutter_(nautical)
Rut'ter (rŭt'tẽr) noun [ Dutch ruiter a rider. Confer Ruttier .] A horseman or trooper. [ Obsolete] « Such a regiment of rutters Never defied men braver.» Beau. & Fl. Found on http://www.encyclo.co.uk/webster/R/107