The Collaborative International Dictionary
Clum
Clum \Clum\ (kl[u^]m), interj.
Silence; hush. [Obs.]
--Chaucer.
Wiktionary
clum
a. silent; glum. interj. (context obsolete English) silence; hush n. silence.
Usage examples of "clum".
Peter the Venerable, abbot of Clum, who flourished about this time, declared that paper from linen rags was in use in his day.
However, another meta-analysis by Clum and Gould of 34 published self-help books and videos confirmed that popular material also seemed to be about as helpful as therapy by professionals.