The phrase "hour lecture" means a talk or presentation that lasts for one hour, where someone shares information or teaches a subject to an audience. Full definition
The training programme consisted of seven 1 hour lectures on psychosocial issues and 6 months of weekly consultations with a psychiatric nurse. (ebmh.bmj.com)
For example, if you meet a professional during a lunch hour lecture, and they offer to buy you lunch sometime, follow up with them. (lawyerist.com)
• All my workshops are designed as 2 hour events with interactive activities, but each can be condensed to a one hour lecture format, as well. (elisabethstitt.com)