- A(braham) A(rden),1874–1948, U.S. psychoanalyst and author, born in Austria.
noun plural brill or brills
- a European food fish, Scophthalmus rhombus, a flatfish similar to the turbot but lacking tubercles on the body: family Bothidae
- British slang excellent or wonderful
kind of flat fish, late 15c., of unknown origin.