Is “Sumps” a Scrabble word?
Yes
SUMPS
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Sumps
noun
1.A hollow or pit into which liquid drains, such as a cesspool, cesspit or sink.
2.The lowest part of a mineshaft into which water drains.
3.A completely flooded cave passage, sometimes passable by diving.
verb
1.Of a cave passage, to end in a sump, or to fill completely with water on occasion.
“This low passage sumps quickly after moderate rainfall.”