say it: puh-TEL-uh
patella is a noun meaning "a small flat triangular bone in front of the knee that protects the knee joint". It carries 2 recorded senses.
a small flat triangular bone in front of the knee that protects the knee joint
type genus of the family Patellidae: common European limpets
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 patella 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.