πηδάλιον G4079
pēdálion · pay-dal'-ee-on · Noun Neuter
neuter of a (presumed) derivative of (the blade of an oar; from the same as πέδη); a "pedal", i.e. helm:--rudder.
2 Occurrences in the King James Bible
Acts 27:40And when they had taken up the anchors, they committed themselves unto the sea, and loosed the rudder bands, and hoised up the mainsail to the wind, and made toward shore.
James 3:4Behold also the ships, which though they be so great, and are driven of fierce winds, yet are they turned about with a very small helm, whithersoever the governor listeth.