say it: PUUSH-uhp
pushup is a noun meaning "an arm exercise performed lying face to the floor and pushing the body up and down with the arms". It carries one recorded sense.
an arm exercise performed lying face to the floor and pushing the body up and down with the arms
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 pushup 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.