say it: KACH-ing
catching is a noun and adjective meaning "(baseball) playing the position of catcher on a baseball team". It carries 4 recorded senses.
becoming infected
“catching cold is sometimes unavoidable”
“the contracting of a serious illness can be financially catastrophic”
(of disease) capable of being transmitted by infection
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 catching 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.