say it: LAM-duh
lambda is a noun meaning "the 11th letter of the Greek alphabet". It carries 2 recorded senses.
the 11th letter of the Greek alphabet
the craniometric point at the junction of the sagittal and lamboid sutures of the skull
Forms marked are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for lambda come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.