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the lamprey. It has a suctorial mouth, with labial appendages, and a single pair of gill openings. It is the type of the order Hyperotpeta. Called also hagfish, borer, slime eel, sucker, and sleepmarken.

An opening made in the interior walls of a cruciform church to afford a view of the altar to those in the transepts; -- called, in architecture, a squint. Hook.

A door with an opening over it; a half door, sometimes set with spikes on the upper edge. In at the window, or else o'er the hatch. Shak.

A square or oblong opening in a deck or floor, affording passage from one deck or story to another; the entrance to a cellar.

The opening by which the two scalæ communicate at the top of the cochlea of the ear.

hich has escaped from its natural cavity, and projects through some natural or accidental opening in the walls of the latter; as, hernia of the brain, of the lung, or of the bowels. Hernia of the abdominal viscera in most common. Called also rupture. Strangulated hernia, a hernia so tightly compressed in some part of t…

An opening; an aperture; a gap; a chasm; esp., a defect in a manuscript, where some part is lost or effaced; a space where something is wanting; a break.

An opening for the hoist, or

A hollow place or cavity; an excavation; a pit; an opening in or through a solid body, a fabric, etc.; a perforation; a rent; a fissure. The holes where eyes should be. Shak. The blind walls Were full of chinks and holes. Tennyson. The priest took a chest, and bored a hole in the lid. 2 Kings xii. 9.…

ceitful; not sound; as, a hollow heart; a hollow friend. Milton. Hollow newel (Arch.), an opening in the center of a winding staircase in place of a newel post, the stairs being supported by the wall; an open newel; also, the stringpiece or rail winding around the well of such a staircase. -- Hollow quoin (Engin.), a…

A chute, box, or receptacle, usually funnel-shaped with an opening at the lower part, for delivering or feeding any material, as to a machine; as, the wooden box with its trough through which grain passes into a mill by joining or shaking, or a funnel through which fuel passes into a furnace, or coal, etc., into a car.…

A method of securing a good draught in chimneys by covering the top, leaving openings in the sides, or by carrying up two of the sides higher than the other two. [Written also hovelling.]

To make a nasal sound, like that of the letter m prolonged, without opening the mouth, or articulating; to mumble in monotonous undertone; to drone. The cloudy messenger turns me his back, And hums. Shak.

rs, cranes, etc. (b) (Gas Works) An inverted cup with a partition dipping into water, for opening or closing communication between two gas mains, the open ends of which protrude about the water.

ipobranchs including the lampreys. The suckerlike moth contains numerous teeth; the nasal opening is in the middle of the head above, but it does not connect with the mouth. See Cyclostoma, and Lamprey.

Not perforated; having no opening or aperture. Sir J. Banks.

Remaining closed at maturity, or not opening along regular lines, as the acorn, or a cocoanut.

An opening from the sea into the land; an inlet. [Obs.] Sir W. Raleigh.

ve one pair of antennæ, three pairs of mouth organs, and breathe air by means of tracheæ, opening by spiracles along the sides of the body. In this sense it includes the Hexapoda, or six-legged insects and the Myriapoda, with numerous legs. See Insect, n.

A device for opening and closing an electrical circuit; a vibrating spring or tuning fork, arranged to make and break a circuit at rapidly recurring intervals, by the action of the current itself.