'L-plate' definitions:

Definition of 'L-plate'

From: WordNet
noun
A square plate bearing the letter L that is attached to both ends of a car to indicate that the driver is a learner

Definition of 'L-plate'

From: GCIDE
  • L-plate \L-plate\ n. a square plate bearing the letter L that is attached to both ends of a car to indicate that the driver is a learner. [British] [WordNet 1.5]