Sigla \Sig"la\, n. pl. [L.] The signs, abbreviations, letters, or characters standing for words, shorthand, etc., in ancient manuscripts, or on coins, medals, etc. --W. Savage. [1913 Webster]
SIGLA <robotics> SIGma LAnguage. A language for industrial robots from {Olivetti}. ["SIGLA: The Olivetti Sigma Robot Programming Language", M. Salmon, Proc 8th Intl Symp on Industrial Robots, 1978, pp. 358-363].