What does «antiquismo» mean in Spanish?

Old-fashioned voice, phrase, or manner of speaking; archaism.

Examples of use in Spanish: "son voces anticuadas y su uso constituye el vicio de elocución llamado antiquismo".

"El empleo de las palabras anticuadas se llama antiquismo o arcaísmo".
Archaic quality.
Idealizing vision of antiquity, especially Greco-Roman antiquity.