JWS en · NOUN Meanings (abbreviation, alt-of, initialism, uncountable) Initialism of Jackson-Weiss syndrome. alt of Jackson-Weiss syndrome (abbreviation, alt-of, countable, initialism, qualifier:computer security) Initialism of JSON Web Signature. alt of JSON Web Signature Two closely related serializations for JWSs are defined. 2015 May, M. Jones, J. Bradley, N. Sakimura, “JSON Web Signature (JWS)”, in RFC Editor, →DOI, →ISSN, RFC 7515: Forms SpellingFeaturesLabelsSource JWSs Number=Plur lexicographic