And they got to passing off almost anything for turkeys-half-grown humming-birds, and even ROCS out of the Arabian Nights-the real turkeys were so scarce.
"Christmas Every Day and Other Stories"
W. D. Howells
These birds were of enormous size, and reminded Zeb of the ROCS he had read about in the Arabian Nights.
"Dorothy and the Wizard in Oz"
L. Frank Baum.
You wouldn't have talked of feathered steam-engines, or of fabled ROCS, or of winged elephants in the air-certainly not!
"The Red Eric"
R.M. Ballantyne