sump.

A pit, reservoir, or low space into which liquid drains or collects.

Use it for

Words that belong together

• a drainage sump
• an oily sump

On the page

An oily sump lay beneath the abandoned machinery.

Water collected in the drainage sump before the pump failed.

Usage notes

Primary category: horror. Forms: Singular sump; plural sumps. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.