For rhyme the rudder is of verses. Hudibras.

Balance rudder (Naut.), a rudder pivoted near the middle instead of at the edge, -- common on sharpies. -- Drop rudder (Naut.), a rudder extending below the keel so as to be more effective in steering. -- Rudder chain (Naut.), one of the loose chains or ropes which fasten the rudder to the quarters to prevent its loss in case it gets unshipped, and for operating it in case the tiller or the wheel is broken. -- Rudder coat (Naut.), a covering of tarred canvas used to prevent water from entering the rudderhole. -- Rudder fish. (Zoöl.) (a) The pilot fish. (b) The amber fish (Seriola zonata), which is bluish having six broad black bands. (c) A plain greenish black American fish (Leirus perciformis); -- called also black rudder fish, logfish, and barrel fish. The name is also applied to other fishes which follow vessels. -- Rudder pendants (Naut.), ropes connected with the rudder chains.