transcontinental /ˌtɹænzˌkɒntɪˈnɛntəl/adjective 1noun 1forms 1 adjective1 •Crossing or spanning a continent.In that year [1871] British Columbia decided to become part of the Dominion of Canada, on condition that a transcontinental railway should be completed without delay. — 1954 noun[in the plural]1 •a transcontinental railroad.Stretched across the Dominion of Canada are two parallel but dissimilar railways - the continent's only true transcontinentals north of the Rio Grande. — 1959 formstranscontinentals
