Viz.definition: Videlicet.Origin ofViz. From Latin videlicet (“that is to say, namely" ), short for videre licet (“it is permitted to see " ). The "˜z' was originally not a letter but a common Middle Latin scribal abbreviation that was used for -et, specifically a Tironian note. The symbol resembled "˜z', or rather 3 and Èœ, and hence is thus represented in type. Compare ⁊, the ... 3 days ago ·What does the abbreviationVIZstand for?Meaning: videlicet.