Lambda

n.	1.	The name of the Greek letter
	2.	(Anat.) The point of junction of the sagittal and lambdoid sutures of the skull.
	3.	(Phys.) A subatomic particle carrying no charge, having a mass equal to 2183 times that of an electron; it decays rapidly, typically forming a nucleon and a pion. Lambda moth (Zool.) a moth so called from a mark on its wings, resembling the Greek letter lambda (

Noun	1.	lambda - the 11th letter of the Greek alphabet
	2.	lambda - the craniometric point at the junction of the sagittal and lamboid sutures of the skull

LAMBDA - A version of typed lambda-calculus, used to describe semantic domains. ["Outline of a Mathematical Theory of Computation", D.S. Scott, TM PRG-2, PRG, Oxford U, 1971].

alphabetic character, Greek alphabet, letter, letter of the alphabet