A system of philosophy, chiefly ethics, based upon the teachings of Epicurus (c. 340–c. 270 BC), that advocated retreat from public life to preserve one's long-term happiness and ataraxia.

plural of spanko

(now rare) A homosexual male.

(astronomy) A method of stellar classification in which stars are assigned Greek letters (α, β, γ, etc.) in decreasing order of brightness.