1. n. & v.
--n.
1. a tiller or wheel by which a ship's rudder is controlled.
2 the amount by which this is turned (more helm needed).
--v.tr. steer or guide as if with a helm.
Phrases and idioms:
at the helm in control; at the head (of an organization etc.).
Etymology: OE helma, prob. related to HELVE 2. n. archaic helmet.
Derivatives:
helmed adj.
Etymology: OE f. Gmc