noun, U.S. Politics.
the custom in Congress providing for the assignment of a committee chairpersonship to that member of the majority party who has served on the committee the longest.
noun, Chiefly British. 1. a university teacher who does not hold a professorship.
- Senior management
noun 1. another term for top management
noun, U.S. Air Force. 1. a noncommissioned officer ranking above a master sergeant and below a chief master sergeant. Abbreviation: SMSgt.
noun, Often Facetious. 1. a brief lapse in memory or a moment of confusion, especially in an older person. senior moment noun 1. (jocular) a lapse of memory common in elderly people noun a temporary memory lapse, an incident of forgetfulness blamed on aging senior moment