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say it: puhmp
pump is a verb and noun meaning "operate like a pump; move up and down, like a handle or a pedal". It carries 11 recorded senses.
flow intermittently
raise (gases or fluids) with a pump
a mechanical device that moves fluid or gas by pressure or suction
the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body
“he stood still, his heart thumping wildly”
a low-cut shoe without fastenings
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 pump 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.