Invention of the cross

(Eccl.) a festival celebrated May 3d, in honor of the finding of our Savior's cross by St. Helena.

See also: Invention

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
The monks call this apartment the "Chapel of the Invention of the Cross"--a name which is unfortunate, because it leads the ignorant to imagine that a tacit acknowledgment is thus made that the tradition that Helena found the true Cross here is a fiction--an invention.
The first represents an interpolation on the first invention of the cross by the emperor Claudius' wife, Patronice, after the manner of Helena, while the second is a secondary combination of two passages on the resurrection.