Vertical

The Simple English Wiktionary has a definition for: vertical.

An object is in a vertical position when it goes in an "up-down" direction, also perpendicular to the horizon or horizontal plane.

In science, it could also mean:

• Vertical direction, the direction aligned with the direction of the force of gravity, as materialized with a plumb line

In mathematics:

• Vertical (angles), a pair of angles sharing the same vertex and bounded by the same pair of lines but are opposite to each other

In music:

• Vertical (music), a musical interval where the two notes sound simultaneously

In business:

• Vertical market, a group of similar businesses and customers which engage in trade based on specific and specialized needs
• Vertical integration, a management term describing a style of ownership and control
• Vertical monopoly, a monopoly produced through vertical integration

In networking:

• Vertical (network), the portion of network cabling that runs between floors, usually considered the backbone network

In furnishings:

• Vertical blinds, a type of window blind

In athletics:

• Vertical jump, a measure of how high an individual or athlete can elevate off the ground from a standstill

In a Vertical wine tasting different vintages of the same wine type from the same winery are tasted.