1. The instrument by which a ship is steered, consisting of a rudder, a tiller, and in large vessels, a wheel. [See Rudder.]

2. Station of government; the place of direction or management; as, to be at the helm in the administration.

To steer; to guide; to direct. [Little used.]

1. To cover with a helmet.

HELMET, n. Defensive armor for the head; a head-piece; a morion. The helmet is worn by horsemen to defend the head against the broad sword.

1. The part of a coat of arms that bears the crest.

2. The upper part of a retort.

3. In botany, the upper lip of a ringent corol.