nonce-wd. [f. CLAN sb. + -ISM.] Clan system, clan feeling.
1824. Evening Post, 18 Nov., 2/2. He [Jackson] will, we trust, break up the system of political clanism of which Mr. Adams, if not the founder, is a most distinguished patron and promoter.
1861. C. P. Hodgson, Resid. at Nagasaki, 84. Every person, high or low, will try to screen the murderer, and assist in his escape; but this is clannism or fanaticism, not treachery.