Full record for space ark n.

Definition	a large ship designed to move or rescue large numbers of people, often with large ecosystems and many animals and plants on board
OED requirements	antedating 1948
Earliest cite	N. Wilkinson 'Decision Illogical'
Comment	Fred Galvin submitted a cite from a 1978 reprint of John Macvey's "Interstellar Travel". Fred Galvin submitted a 1987 cite from Colin Ronan's "Deep Space". Fred Galvin submitted a cite from a 1979 reprint of Iain Nicolson's "The Road to the Stars". Fred Galvin submitted a 1989 cite from Robert Jastrow's "Journey to the Stars". Mike Christie submitted a 1973 cite from Arthur C. Clarke's "Rendezvous with Rama". This cite mentions that the idea was described by J.D. Bernal in a book in 1929. Dave Langford checked "The World, The Flesh and the Devil", which was published by Bernal in 1929 and discusses the concept of space arks, but Bernal uses the terms "space vessel" and "globe", and not "space ark". Jeff Prucher submitted a 1999 cite from an article by John Gerlach in Extrapolation. Mike Christie submitted a 1948 cite from Neal Wilkinson's "Decision Illogical".
Last modified	6 July, 2008

Citations for space ark n.

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1973 A. C. Clarke Rendezvous with Rama (1974) 44	Some writers suggested that these Space Arks should be built in the form of concentric spheres; others proposed hollow, spinning cylinders so that centrifugal force could provide artificial gravity—exactly what we've found in Rama ‥
1977 J. W. Macvey Interstellar Travel (1978) 8	These include generation travel (space arks) and the use of cryogenics (suspended animation).
1998 C. Pellegrino Afterword in C. Pellegrino & G. Zebrowski Star Trek: Next Generation: Dyson Sphere (1999) 212	By contrast to what has traditionally been known as the large, slow-moving ‘space ark’ approach to interstellar flight, Valkyrie becomes a low mass speedboat.
1999 Extrapolation Summer 155	Most readers will resolve the instability of science and fantasy by developing a rational explanation, first by hypothesizing that this ‘whorl’, as it's called, with its cities visible above in the night sky, is some sort of space ark (generation starship) illuminated with the futuristic equivalent of a huge fluorescent light bulb.