Definitions:

1. Abbreviation for 'Large' especially used on clothing to show its size. ABBREVIATION
   • The three sizes are marked S, M, and L, for Small, Medium, and Large.
2. Abbreviation for 'Liter'. VERB
   • The tank can hold up to 30L (liters) of water.
3. The sign used in the Roman system for the number 50. NOUN
   • Super Bowl 'L', is Super Bowl fifty.
4. The twelfth letter of the English alphabet. NOUN

Synonyms:

• cubic decimeter
• cubic decimetre
• fifty
• large
• liter
• litre