rudder

Strong’s Dictionary of Greek Words:

Greek:
πηδάλιον
Transliteration:
pedalion
Phonic:
pay-dal’-ee-on
Meaning:
neuter of a (presumed) derivative of πηδόν (the blade of an oar; from the same as 3976); a "pedal", i.e. helm
KJV Usage:
rudder

From Manners and Customs of the Bible:

More correctly, the bands of the rudders; the word in the original being plural. Each ship had two rudders, or paddles, for steering, one on each quarter. The hinged rudder at the stern is comparatively a modern contrivance.