The Complete Guide to Interpreting Your Dreams

by Stearn Robinson - Tom Corbett
If you crossed this imaginary division of poles in your dream, you will soon make a complete change of all the circumstances now around you; if you were aware of but did not cross the equator in your dream, it signifies indecision concerning a new venture or offer.

Don’t be faint-hearted; a step into the unknown can frequently be a voyage of splendid discovery.

The Fabric of Dream

by Katherine Taylor Craig
Good weather and fine crops are promised the farmer by this dream; to others, abundance (Gypsy). The tropical heat here symbolizes fruitfulness.

New American Dream Dictionary

by Joan Seaman - Tom Philbin
Willingness to go into undiscovered country to achieve one’s ends.