What is the X in X-mas?
older and alternative spelling of artifact (n.). Related: Artefactual; artefactually.
artefact ar·te·fact (är'tə-fākt')n. Variant of artifact.
An object produced or shaped by human craft, especially a tool, weapon, or ornament of archaeological or historical interest.
An artificial product or effect observed in a natural system, especially one introduced by the technology used in scientific investigation or by experimental error.