Definition of 'main line'
Example sentences containing 'main line'
There are two main lines of thought here.Times, Sunday Times (2012)
There are two main lines of defence.The Family Nutrition Workbook (1988) Times, Sunday Times (2013)
For centuries, two main lines of explanation have been offered, and there is still no definitive answer.The Harper Dictionary of Science in Everyday Language (1988)
Definition of main line from the Collins English Dictionary