
1) All pee in local bog 2) Architectural element 3) Cesspit 4) Cesspool 5) Collection pit 6) Drain pit 7) Drainage container 8) Drainage pit 9) Drainage pool 10) Drainage pump 11) Drainage reservoir 12) Its usefulness goes to waste 13) Liquid-collection pit 14) Lowest part of a mine 15) Mine shaft hole, of sorts
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https://www.crosswordclues.com/clue/sump

1) Cesspit 2) Cesspool 3) Marsh
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https://www.crosswordclues.com/clue/sump

- an oil reservoir in an internal combustion engine
- a well or other hole in which water has collected
- a covered cistern; waste water and sewage flow into it
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A sump (American English and some parts of Canada: oil pan) is a low space that collects any often-undesirable liquids such as water or chemicals. A sump can also be an infiltration basin used to manage surface runoff water and recharge underground aquifers. Sump can also refer to an area in a cave where an underground flow of water exits the cave...
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http://en.wikipedia.org/wiki/Sump
[aquarium] In fishkeeping, a sump is an accessory tank in which mechanical equipment is kept. A remote sump allows for a clutter-free display tank. It is found in mainly in a reef system. The sump sits below the main tank and is used as a filter, as well as a holding place of unsightly, miscellaneous equipment such as protein skimmers, calc...
Found on
http://en.wikipedia.org/wiki/Sump_(aquarium)
[cave] Sump or siphon is a term used in caving to describe a passage in a cave that is submerged under water. A sump may be static, with no inward or outward flow, or active, with continuous through-flow. Static sumps may also be connected underwater to active stream passage. When short in length, a sump may be called a duck. == Exploration...
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http://en.wikipedia.org/wiki/Sump_(cave)

• (n.) The cistern or reservoir made at the lowest point of a mine, from which is pumped the water which accumulates there. • (n.) A puddle or dirty pool. • (n.) A pond of water for salt works. • (n.) A round pit of stone, lined with clay, for receiving the metal on its first fusion.
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http://thinkexist.com/dictionary/meaning/sump/

A condition in which the Swim Bladder fails to function normally. Causes vary. Symptoms include an inability to maintain normal upright position, or difficulty swimming down to lower levels of the water column.
Found on
http://www.aquahobby.com/articles/e_glossary.php

A point in a cave passage when the water meets the roof.
Found on
http://www.cancaver.ca/docs/glossary.htm

The bottom of a shaft, or any other place in a mine, that is used as a collecting point for drainage water.
Found on
http://www.coaleducation.org/glossary.htm

Pit or large plastic bucket/barrel inside the home designed to collect ground water from a perimeter drain system.
Found on
http://www.encyclo.co.uk/local/20933

1. <chemistry> A round pit of stone, lined with clay, for receiving the metal on its first fusion. ... 2. The cistern or reservoir made at the lowest point of a mine, from which is pumped the water which accumulates there. ... 3. A pond of water for salt works. ... 4. A puddle or dirty pool. Sump fuse, a fuse used in blasting under water. ......
Found on
http://www.encyclo.co.uk/local/20973

A pit or tank that catches liquid runoff for drainage or disposal.
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http://www.encyclo.co.uk/visitor-contributions.php
Sump noun [ Confer German
sumpf a sump in a mine, a swamp, akin to LG.
sump , Dutch
somp a swamp, Dan. & Swedish
sump , and perhaps to English
swamp .]
1. (Metal.) A round pit of stone, lined with clay, for receiving the metal on its first fusion.
...Found on
http://www.encyclo.co.uk/webster/S/238

- Pit or large plastic bucket/barrel inside the home designed to collect ground water from a perimeter drain system.
Found on
http://www.homebuildingmanual.com/Glossary.htm

lowest position of crankcase, containing oil.
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http://www.horizonsunlimited.com/gear-up/motorcycle-terms-and-glossary

An intentional depression around a drain.
Found on
http://www.rbroof.com/glossary-of-terms

The bottom of a shaft, or any other place in a mine, that is used as a collecting point for drainage water.
Found on
http://www.rocksandminerals.com/glossary.htm

A pit or tank that catches liquid runoff for drainage or disposal.
Found on
https://www.encyclo.co.uk/local/20094
noun a well or other hole in which water has collected
Found on
https://www.encyclo.co.uk/local/20974

Pit or large plastic bucket/barrel inside the home designed to collect ground water from a perimeter
Found on
https://www.encyclo.co.uk/local/22400

An underground excavation where water accumulates before being pumped to surface.
Found on
https://www.encyclo.co.uk/local/22734

A flooded cave or passage.
Found on
https://www.encyclo.co.uk/local/23001

Pit or large plastic bucket/barrel inside the home designed to collect ground water from a perimeter drain system.
Found on
https://www.homebuildingmanual.com/Glossary.htm

a pit, well, or the like in which water or other liquid is collected. · a chamber at the bottom of a machine, pump, circulation system, etc., into which a fluid drains before recirculation or in which wastes gather before disposal. · · a space where water is allowed to collect at the bottom of a shaft or below a passageway. ·...
Found on
https://www.infoplease.com/dictionary/sump
No exact match found.