Wiktionary
transpolar
a. extending across, or crossing one of the poles, or a polar region
WordNet
transpolar
adj. extending across or crossing either pole; "transpolar air routes"
Usage examples of "transpolar".
We asked for and got a transpolar orbit on the twenty west, one-sixty east longitude.
Utah, Station KSL announced the launch of the spectacular new Russian transpolar satellite.
The location was perfect--within an hour's flying time of six of the top ten busiest airports in North America, close to many European and Asian transpolar flight routes, good schools, generous tax incentives, no income tax, a rural atmosphere but close to Boston and the high-tech Route 128 Corridor of northeastern Massachusetts.