L in WordNet English dictionary

1. the cardinal number that is the product of ten and five
   fifty  50  L 
   
2. the 12th letter of the Roman alphabet
   L  l 
   
3. a cgs unit of illumination equal to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square centimeter
   lambert  L 
   
4. the 12th letter of the Roman alphabet
   L  l