- (of a leaf) having the blade in a perpendicular plane, so that neither of the surfaces can be called upper or lower.
- being in the same direction as the axis; lengthwise.
Origin of vertical
Examples from the Web for vertical
Two police assigned to the apartment on a detail were doing a “vertical patrol” up the stairs when the door opened.
They structured themselves not in vertical hierarchies but in networks, each member responding to conditions on the ground.
There was one very large and easily identifiable piece of debris floating, the vertical stabilizer.MH370 Debris Is Lost Forever, Can the Plane Be Found Without It?|Clive Irving|September 7, 2014|DAILY BEAST
The hybrid aircraft have a vertical takeoff and landing capability.U.S. Diplomats and Marines Close Embassy and Flee Libya Fighting|Jamie Dettmer|July 27, 2014|DAILY BEAST
And yet Breitbart decided to commission him, of all available artists, to create the face of its California vertical.Breitbart Twerks Pelosi With Credibility-Destroying Ad|Emily Shire|April 8, 2014|DAILY BEAST
Design a fire screen with two horizontal and three vertical major subdivisions.Industrial Arts Design|William H. Varnum
The vertical frame at a is attached to this by two centre screws, which serve as joints for it to move in.A Dictionary of Arts, Manufactures and Mines|Andrew Ure
They are so insignificant as hardly even to suggest a vertical division.The Cathedral Church of York|A. Clutton-Brock
The vertical slit is usually made first and by the rounded end of the blade.The Nursery Book|Liberty Hyde Bailey
They certainly do not act as the rivets of a plate girder, nor as the vertical rods of a Howe truss.Some Mooted Questions in Reinforced Concrete Design|Edward Godfrey
British Dictionary definitions for vertical
Word Origin for vertical
Word Origin and History for vertical
1550s, "of or at the vertex, directly overhead," from Middle French vertical (1540s), from Late Latin verticalis "overhead," from Latin vertex (genitive verticis) "highest point" (see vertex). Meaning "straight up and down" is first recorded 1704.