There is no such thing as a maridian.
The term "meridian" is used in a number of different contexts, which, although related, give different answers.
In geography, a meridian is an imaginary arc (curved line) joining the geographic north and south poles. In astronomy a meridian is an imaginary circle that is perpendicular to the horizon and to the celestial equator.
What id the shape of parallers and maridians
A time zone typically spans 15 degrees of longitude, as there are 24 hours in a day and 360 degrees of longitude around the Earth. This means each time zone covers four meridians, one for each hour.
Yes, lines of longitude are also called meridians. They are imaginary lines that run from the North Pole to the South Pole and help to determine a location's east-west position on the Earth's surface.
Spain grows grain, vegetables, olives, wine grapes, sugar beets, and citrus in that order.See the related link for a more complete list of agricultural crops in Spain.