A Graph possessing a Hamiltonian Circuit.
See also Hamiltonian Circuit, Hamiltonian Path
References
Chartrand, G. Introductory Graph Theory. New York: Dover, p. 68, 1985.
Chartrand, G.; Kapoor, S. F.; and Kronk, H. V. ``The Many Facets of Hamiltonian Graphs.'' Math. Student 41, 327-336, 1973.