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.
Definition of altitude for Students. 1  1 : height above a certain level and especially above sea level. 2  2 : the perpendicular distance from the base of a geometric figure to the vertex or to the side parallel to the base.