Definitions for "Technical report"
A report giving details and results of a specific investigation of a scientific or technical problem.
A document "officially" published by W3C. Specifically includes documents on the Recommendation track and Notes. In the past, Submissions were considered Technical Reports.
a document reporting the progress and/or the results of a research done by a team of scientists
A document that summarizes validity evidence over a time period (usually a year) for a specific test score interpretation or use. Technical Working Group on Large-Scale Assessments for Special Education. (2005).
a document written on a technical subject, submitted for approval to your colleague(s) or superior(s)
Documents that are on the Recommendation track or W3C Notes.
a detailed record of your work for a specific audience
a much longer and complete record of the design process