The Free On-line Dictionary of Computing (30 December 2018):
META 5 Early syntax-directed compiler-compiler, used for translating one high-level language to another. Versions: META II, META-3. ["META 5: A Tool to Manipulate Strings of Data", D.K. Oppenheim et al, Proc 21st Natl Conf, ACM 1966]. [Sammet 1969, p. 638]. (1995-01-23)