n. (also l) (pl. Ls or L's)
1 the twelfth letter of the alphabet.
2 (as a Roman numeral) 50.
3 a thing shaped like an L, esp. a joint connecting two pipes at right angles.
abbr. (also L.)
2 Brit. learner driver (cf. L-PLATE).
5 Biol. Linnaeus.
Useful english dictionary. 2012.