say it: ROWN-dwurm
roundworm is a noun meaning "infections of the skin or nails caused by fungi and appearing as itching circular patches". It carries 2 recorded senses.
infections of the skin or nails caused by fungi and appearing as itching circular patches
unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic
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 roundworm 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.