Definition of central. 1  1 : containing or constituting a center. 2  2 : of primary importance : essential, principal the central character of the novel. 3  3a : situated at, in, or near the center the central part of the stateb : easily accessible from outlying districts a central location for the new theater.
Word forms: plural heights. 1. variable noun. The height of a person or thing is their size or length from the bottom to the top. Her weight is about normal for her height. I am 5'6'' in height. The wave here has a length of 250 feet and a height of 10 feet. He was a man of medium height.
Altitude means height above the ground or above the sea level. Common uses include aviation (flying, parachuting, gliding), and geography / surveying. In geometry it is also used as the height of the object itself. Generally, altitude is the distance one thing is above another thing. This is in the vertical or up direction. For the height of the ground (such as for hills and mountains), the word elevation is also used and might be a better choice.