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In a perpendicular manner; vertically.

eck, or when the slack cable entangled. -- The anchor is acockbill, when it is suspended perpendicularly from the cathead, ready to be let go. -- The anchor is apeak, when the cable is drawn in do tight as to bring to ship directly over it. -- The anchor is atrip, or aweigh, when it is lifted out of the ground. --…

formed by two right lines. -- Right angle, one formed by a right line falling on another perpendicularly, or an angle of 90º (measured by a quarter circle). -- Solid angle, the figure formed by the meeting of three or more plane angles at one point. -- Spherical angle, one made by the meeting of two arcs of great ci…

Just drawn out of the ground, and hanging perpendicularly; atrip; -- said of the anchor. Totten.

to the plane of the circle. Hutton. -- Axis of the Ionic capital (Arch.), a line passing perpendicularly through the middle of the eye of the volute. -- Neutral axis (Mech.), the line of demarcation between the horizontal elastic forces of tension and compression, exerted by the fibers in any cross section of a girde…

A frame of two strong timbers fixed perpendicularly in the fore part of a ship, on which to fasten the cables as the ship rides at anchor, or in warping. Other bitts are used for belaying (belaying bitts), for sustaining the windlass (carrick bitts, winch bitts, or windlass bitts), to hold the pawls of the windlass (pa…

One line or radius falling perpendicularly on another; as, the catheti of a right-angled triangle, that is, the two sides that include the right angle. Barlow.

A piece of oak bolted perpendicularly on the side of a vessel, to aid in drawing down and securing the clew of the mainsail.

Straight down; perpendicularly.

To be deep in extent; to descend perpendicularly; as, her main topsail drops seventeen yards. To drop astern (Naut.), to go astern of another vessel; to be left behind; to slacken the speed of a vessel so as to fall behind and to let another pass a head. -- To drop down (Naut.), to sail, row, or move down a river, or…

athering wheel (Naut.), a paddle wheel whose floats turn automatically so as to dip about perpendicularly into the water and leave in it the same way, avoiding beating on the water in the descent and lifting water in the ascent.

A style or column erected perpendicularly to the horizon, formerly used in astronomocal observations. Its principal use was to find the altitude of the sun by measuring the length of its shadow.

erpendicular PA, when P moves uniformly in the circumference of a circle, and PA is drawn perpendicularly upon a fixed diameter of the circle. This is simple harmonic motion. The combinations, in any way, of two more simple harmonic motions, make other kinds of harmonic motion. The motion of the pendulum bob of a clock…

shores. Thomson. To heave a cable short (Naut.), to haul in cable till the ship is almost perpendicularly above the anchor. -- To heave a ship ahead (Naut.), to warp her ahead when not under sail, as by means of cables. -- To heave a ship down (Naut.), to throw or lay her down on one side; to careen her. -- To heave…

cks. -- To toss the oars, To peak the oars, to lift them from the rowlocks and hold them perpendicularly, the handle resting on the bottom of the boat. -- To trail oars, to allow them to trail in the water alongside of the boat. -- To unship the oars, to take them out of the rowlocks.

Perpendicularly; at right angles; as, a curve cuts a set of curves orthogonally.

at an infinite distance, the plane of projection passing through the center of the sphere perpendicularly to the line of sight.

In a plumb direction; perpendicularly. "Plumb down he falls." Milton.

Directly; suddenly; perpendicularly. "Fall plump." Beau. & Fl.

reast of another. Pesent arms (Mil.), the command in response to which the gun is carried perpendicularly in front of the center of the body, and held there with the left hand grasping it at the lower band, and the right hand grasping the small of the stock, in token of respect, as in saluting a superior officer; also,…