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els, the tiller is moved by means of mechanical appliances. See Illust. of Rudder. Cf. 2d Helm, 1.

ss by which blister steel is rendered ductile by being forged with a tilt hammer. Tilting helmet, a helmet of large size and unusual weight and strength, worn at tilts.

A helmsman. [R.]

ch connects all the tones of a piece, we may, with Fétis, term the principle of tonality. Helmholtz.

hinder part of a gun carriage, where the handspike is applied in traversing the piece. Wilhelm. -- Traversing platform (Mil.), a platform for traversing guns.

A turn; specifically, the spell of a sailor at the helm, -- usually two hours.

preserved as a memorial of victory, as arms, flags, standards, etc. Around the posts hung helmets, darts, and spears, And captive chariots, axes, shields, and bars, And broken beaks of ships, the trophies of their wars. Dryden.

ard was sometimes attached. This was sometimes fixed, and sometimes moved freely upon the helmet and could be raised like the beaver. Called also umber, and umbril. [Obs.] But only vented up her umbriere. Spenser.

That part of a helmet which is intended for the admission of air, -- sometimes in the visor. Spenser. Her ventail up so high that he descried Her goodly visage and her beauty's pride. Fairfax.

One who treats of vermes, or worms; a helminthologist.

A discourse or treatise on worms; that part of zoölogy which treats of worms; helminthology. [R.]

An extensive artificial division of the animal kingdom, including the parasitic worms, or helminths, together with the nemerteans, annelids, and allied groups. By some writers the branchiopods, the bryzoans, and the tunicates are also included. The name was used in a still wider sense by Linnæus and his followers.…

Tending to prevent, destroy, or expel, worms or vermin; anthelmintic.

A medicine or substance that expels worms from animal bodies; an anthelmintic.

A part of a helmet, arranged so as to lift or open, and so show the face. The openings for seeing and breathing are generally in it.

A gland secreting the yolk of the eggs in trematodes, turbellarians, and some other helminths.

To find fault with; to scold; to overwhelm with wordy abuse; to censure severely or abusively; to rate.

The theory, advanced by Thomson (Lord Kelvin) on the basis of investigation by Helmholtz, that the atoms are vortically moving ring-shaped masses (or masses of other forms having a similar internal motion) of a homogeneous, incompressible, frictionless fluid. Various properties of such atoms (vortex atoms) can be mathe…

A pillow for the cheek; a pillow. [Obs. & R.] His bright helm was his wanger. Chaucer.

Forces; army. [Poetic] On their embattled ranks the waves return, And overwhelm their war. Milton.