Here are some possibilities for what you might be looking for:
* Labne (لبنة): This is the Arabic word for "yogurt" or "strained yogurt." It's commonly used in many South Asian languages, including Punjabi. In Punjab, it's often referred to as "dahi" or "lassi."
* Labne (لبنة): It's possible that you might be thinking of the word "laban," which is the Arabic word for "milk." This word is also used in Punjabi, but it's more commonly known as "doodh."
* A combination of words: "Labne" might be a mishearing or misspelling of a phrase that includes the words "laban" or "labne" (yogurt).
To better understand what you're looking for, please provide more context, such as:
* Where did you hear the word?
* What was the context?
* What kind of definition are you looking for?
With more information, I can help you find the correct meaning.