/tər-mə-nak/
[Caltech, ca. 1979]
n. Any malfunctioning computer terminal. A common failure mode of Lear-Siegler ADM 3a terminals caused the 'L' key to produce the 'K' code instead; complaints about this tended to look like
"Terminak #3 has a bad keyboard. Pkease fix."
See sun-stools, Telerat, HP-SUX.