A History of Short Words

From the New York Times Crossword Puzzle

RAS

Thu, 16 Feb '23
Dorm V.I.P.s
Sat, 24 Dec '22
Hall monitors, for short
Sun, 14 Aug '22
Monitors at school, for short
Sun, 31 Jul '22
Some free housing recipients, for short
Fri, 30 Jul '21
___ the Exhorter, character in Ralph Ellison's "Invisible Man"