Reference meaning
pump
Last updated
a mechanical device that moves fluid or gas by pressure or suction
Other meanings
2. noun
the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body
3. noun
a low-cut shoe without fastenings
4. verb
operate like a pump; move up and down, like a handle or a pedal
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 04021798-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.