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The act of perturbing, or the state of being perturbed; esp., agitation of mind.

Of or pertaining to perturbation, esp. to the perturbations of the planets. "The perturbational theory." Sir J. Herschel.

Tending to cause perturbation; disturbing. Sir J. Herschel.

A perturber. [R.]

Agitated; disturbed; troubled. Shak. -- Per*turb"ed*ly, adv.

One who, or that which, perturbs, or cause perturbation.

Pierced at the apex.

Punched; pierced with, or having, holes.

The act of punching or piercing with a pointed instrument; as, pertusion of a vein. [R.] Arbuthnot.

The whooping cough.

Open; ev [Archaic] Fotherby.

The act of opening; an opening; an aperture. [Archaic] Wiseman.

Openly; clearly. [Archaic]

Openness; frankness. [Archaic]

An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall. An aperture between the mountains. Gilpin. The back aperture of the nostrils. Owen.

To belong or pertain, whether by right, nature, appointment, or custom; to relate. Things appertaining to this life. Hooker. Give it unto him to whom it appertaineth. Lev. vi. 5.

That which appertains to a person; an appurtenance. [Obs. or R.] Shak.

See Appurtenance.

Belonging; appertaining. [Now usually written appurtenant.] Coleridge.

One guilty of champerty; one who purchases a suit, or the right of suing, and carries it on at his own expense, in order to obtain a share of the gain.