tramline
Pronunciation: /ˈtramlʌɪn/
noun
(usually tramlines)- a railway track for a tramcar.
- (tramlines) a pair of parallel lines, especially at the sides of a tennis court (enclosing the extra width used in doubles play) or at the sides or back of a badminton court.
- an inflexible principle or course of action: when choosing a job, do pupils simply follow academic tramlines?