We found 19 dictionaries that define the word sump pump:

General (13 matching dictionaries)

1. sump pump: Merriam-Webster
2. sump pump: American Heritage Dictionary of the English Language
3. sump pump: Vocabulary.com
4. sump-pump: Wordnik
5. sump pump: Wiktionary
6. sump pump: The Wordsmyth English Dictionary-Thesaurus
7. sump pump: Infoplease Dictionary
8. sump pump: Dictionary.com
9. Sump pump: Wikipedia, the Free Encyclopedia
10. sump pump: Rhymezone
11. sump pump: FreeDictionary.org
12. sump pump: Mnemonic Dictionary
13. sump pump: TheFreeDictionary.com

Business (1 matching dictionary)

14. Construction Term Glossary (No longer online)

Computing (1 matching dictionary)

15. sump pump: Encyclopedia

Slang (1 matching dictionary)

16. sump pump: Urban Dictionary

Tech (3 matching dictionaries)

17. Lake and Water Word Glossary (No longer online)
18. Sump pump: Construction Glossary
19. Sump Pump: Latitude Mexico

(Note: See sump_pumps as well.)

Definitions from Wiktionary (sump pump) ▸ noun:  A pump used for the removal of liquid from a sump or sump pit. Similar: pumpout, aspirator, sucker, sandpump, bilge pump, forcer, pump, monkey pump, plunger, stomach pump, more... Opposite: drain, sewer pump, water pump Types: submersible, pedestal, utility, sewage, effluent, dewatering, more... Adjectives: pumped-up, sterhydraulic, uniflow, hydropneumatic, ram, leg, cover, pneumatic, noncondensing, hydraulic, lantern ▸ Words similar to sump pump ▸ Usage examples for sump pump ▸ Idioms related to sump pump ▸ Wikipedia articles (New!) ▸ Words that often appear near sump pump ▸ Rhymes of sump pump ▸ Invented words related to sump pump