What is the meaning of Lambda?

The eleventh letter of the Classical and Modern Greek alphabet, the twelfth of the Old Greek alphabet.

Unit representation of wavelength.(Can we add an example for this sense?)

The cosmological constant.

Short for lambda baryon.

Short for lambda expression.

Short for lambda function.

The junction of the lambdoid and sagittal sutures of the cranium.

The percentage change in an option value divided by the percentage change in the underlying asset's price.

lambda; the Greek letter Λ (lowercase λ)

lambda (Greek letter)

lambda (letter of the Greek alphabet)

lambda (Greek letter)

lambda (Greek letter)

price elasticity of an option in relation to that of its holder

the most ordinary member of a group

a former unit of capacity or volume equivalent to a microliter, whose symbol is λ

a level of intensity equivalent to forty decibels above the threshold for hearing a sound with a frequency of one kilohertz

Silver Y (moth)

common, usual

lambda (Greek letter)

lambda (Greek letter)

lambda (Greek letter)

lambda

lambda (Greek letter Λ, λ)

lambda baryon

lambda (name of the Greek letter Λ, λ)

lambda

lambda; the Greek letter Λ, λ

Source: wiktionary.org