say it: trip-uh-LAY
aaa is a noun meaning "an aneurysm of the abdominal aorta associated with old age and hypertension". It is pronounced /ˌtɹɪpəˈleɪ/ — trip-uh-LAY. It carries one recorded sense.
an aneurysm of the abdominal aorta associated with old age and hypertension
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 aaa 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.