That opened through long lines
Of sacred ilex and centennial pines.
Longfellow.
Cen*ten"ni*al, n. The celebration of the hundredth anniversary of any event; a centenary. [U. S.]
Cen*ten"ni*al*ly, adv. Once in a hundred years.
Cen"ter (?), n. [F. centre, fr. L. centrum, fr. round which a circle is described, fr. &?; to prick, goad.] 1. A point equally distant from the extremities of a line, figure, or body, or from all parts of the circumference of a circle; the middle point or place.