From WordNet (r) 3.0 (2006) [wn]:
cross-country
adv 1: not following tracks or roads; "they liked to race cross-
country"
2: across the countryside; "the river runs cross-country"; "the
road runs cross-country"
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]