li ‧ tre BrE AmE British English , liter American English /ˈliːtə $ -ər/ noun
1 . [countable] ( written abbreviation l ) the basic unit for measuring liquid in the ↑ metric system
litre of
a litre of water
litre bottle/drum/container etc
a litre bottle of wine
2 . 2.6/3.5 etc litre engine a measurement that shows the size and power of a vehicle’s engine ⇨ cc :
the Ford’s 2.8 litre engine