vertical

/ˈvɜːtɪkəl//ˈvɝtɪkəl/

noun

1
A vertex or zenith.
2
A vertical geometrical figure; a perpendicular.
3
An individual slat in a set of vertical blinds.
4
A vertical component of a structure.
5
A vertical market.
“We offer specialised accounting software targeting various verticals.”

1
Standing, pointing, or moving straight up or down; along the direction of a plumb line; perpendicular to something horizontal.
2
In a two-dimensional Cartesian co-ordinate system, describing the axis y oriented normal (perpendicular, at right angles) to the horizontal axis x.
3
In a three-dimensional co-ordinate system, describing the axis z oriented normal (perpendicular, orthogonal) to the basic plane xy.
4
Of or pertaining to vertical markets.
5
(wine tasting) Involving different vintages of the same wine type from the same winery.
6
Of an interval: having the two notes sound simultaneously.