VERTICALS
Noun
verticals
plural of vertical
A set of vertical blinds.
Source: Wiktionary
VERTICAL
Ver"ti*cal, a. Etym: [Cf. F. vertical. See Vertex.]
1. Of or pertaining to the vertex; situated at the vertex, or highest
point; directly overhead, or in the zenith; perpendicularly above
one.
Charity . . . is the vertical top of all religion. Jer. Taylor.
2. Perpendicular to the plane of the horizon; upright; plumb; as, a
vertical line. Vertical angle (Astron. & Geod.), an angle measured on
a vertical circle, called an angle of elevation, or altitude, when
reckoned from the horizon upward, and of depression when downward
below the horizon.
– Vertical anthers (Bot.), such anthers as stand erect at the top
of the filaments.
– Vertical circle (Astron.), an azimuth circle. See under Azimuth.
– Vertical drill, an drill. See under Upright.
– Vertical fire (Mil.), the fire, as of mortars, at high angles of
elevation.
– Vertical leaves (Bot.), leaves which present their edges to the
earth and the sky, and their faces to the horizon, as in the
Australian species of Eucalyptus.
– Vertical limb, a graduated arc attached to an instrument, as a
theodolite, for measuring vertical angles.
– Vertical line. (a) (Dialing) A line perpendicular to the horizon.
(b) (Conic Sections) A right line drawn on the vertical plane, and
passing through the vertex of the cone. (c) (Surv.) The direction of
a plumb line; a line normal to the surface of still water. (d)
(Geom., Drawing, etc.) A line parallel to the sides of a page or
sheet, in distinction from a horizontal line parallel to the top or
bottom.
– Vertical plane. (a) (Conic Sections) A plane passing through the
vertex of a cone, and through its axis. (b) (Projections) Any plane
which passes through a vertical line. (c) (Persp.) The plane passing
through the point of sight, and perpendicular to the ground plane,
and also to the picture.
– Vertical sash, a sash sliding up and down. Cf. French sash, under
3d Sash.
– Vertical steam engine, a steam engine having the crank shaft
vertically above or below a vertical cylinder.
Ver"ti*cal, n.
1. Vertical position; zenith. [R.]
2. (Math.)
Definition: A vertical line, plane, or circle. Prime vertical, Prime
vertical dial. See under Prime, a.
Source: Webster’s Unabridged Dictionary 1913 Edition