pumper Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a person or thing that pumps something. Example Sentence The pumper filled up the gas tank. More Example Sentences A pumper helps move water to the fire. Synonyms pump operator; fuel dispenser; inflator Antonyms drain; empty Hear It! Say It! Write It! pumper Switch to cursive Start Share with your friends: