n.
Function: noun
Etymology: Middle English helme, from Old English helma; akin to Old High German helmo tiller
Date: before 12th century
1 a : a lever or wheel controlling the rudder of a ship for steering broadly : the entire apparatus for steering a ship b : position of the helm with respect to the amidships position <turn the helm hard alee>
2 : a position of control : HEAD <a new dean is at the helm of the medical school>