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say it: KID-nee
kidney is a noun meaning "either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine". It carries one recorded sense.
either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine
“urine passes out of the kidney through ureters to the bladder”
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 kidney 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.