From Longman Dictionary of Contemporary Englishtramlinestram‧lines /ˈtræmlaɪnz/ noun [plural] British English 1 TTRthe metal tracks in the road, used by trams2 informalDST the two parallel lines at the edge of a tennis court
Examples from the Corpus
tramlines• By leaving the tramlines, which were still greenish, he had a sample at 16% moisture.• The Manchester Metro Link uses existing rail track for part of its journey, switching to tramlines on city centre streets. 