Wiktionary
n. A narrow pit or trench over which a vehicle can be driven and conveniently worked on from beneath.
Usage examples of "grease pit".
Keeping low, Ryan darted from worktable to empty barrel, grease pit to stack of tires, never fully exposing himself until completing a full circle of the cavernous garage.
The armored personnel carrier was lacking wheels, the axles resting on the stained concrete floor above a dark grease pit, but the chassis seemed intact.
Throughout the chill rainy weather little Nubar's experiences in the grease pit of the garage, his hands pressed against the cold slimy walls for support as the hairy mechanic bucked and grunted behind him, were far more delirious than the languid summer encounters he had known with the slender young Italian over trays of butterflies.
An elderly man in mechanic's coveralls emerged from a grease pit and shuffled up to the passenger window.