L x XXIII

• Year in which Middle English began, by tradition
• Knee part that's also the Roman numeral 1150
• The year 1150
• Often-injured knee ligament, for short
• Roman 1,150
• 12th-century year
• Livy's 1,150
• Year in Louis VII's reign
• CCXXX x V

Wikipedia Word definitions in Wikipedia
MCL may refer to: