From WordNet (r) 2.0 (August 2003) [wn]:
cross-country
adj 1: from one side of a country to the other; "a cross-country
railway"
2: moving across open country rather than following tracks or
roads; "a cross-country race" [ant: {road(a)}]
adv : across the countryside; "the river runs crosscountry"
From The Collaborative International Dictionary of English v.0.48 [gcide]:
cross-country \cross-country\ adj.
1. from one side of a country to the other; as, a
cross-country railway.
[WordNet 1.5]
2. moving across open country rather than following tracks or
roads; as, a cross-country race. Opposite of road.
[WordNet 1.5]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
cross-country \cross-country\ n.
a race over a course including countryside, rather than over
roads or prepared paths.
Syn: cross country.
[WordNet 1.5]