Both Uses of

odyssey
in
Zen and the Art of Motorcycle Maintenance

Thus the hero of the Odyssey is a great fighter, a wily schemer, a ready speaker, a man of stout heart and broad wisdom who knows that he must endure without too much complaining what the gods send; and he can both build and sail a boat, drive a furrow as straight as anyone, beat a young braggart at throwing the discus, challenge the Pheacian youth at boxing, wrestling or running; flay, skin, cut up and cook an ox, and be moved to tears by a song.
Part 4 *

The Odyssey = epic poem of the Odysseus' ten-year circuitous and eventful journey home (circa 850 BC -- attributed to Homer)

Time to finish this twentieth-century odyssey of Phaedrus and be done with it.
Part 4 *

odyssey = long eventful journey

Definitions:

(1) (odyssey as in: her odyssey from Mexico to Texas)
long eventful journey
(2) (The Odyssey as in: Homer's Odyssey)
epic poem (attributed to Homer) of the Odysseus' ten-year circuitous and eventful journey home (circa 850 BC)
(3) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

Less commonly, Odyssey is used as a name of many things because of the importance of the poem in Western culture.