gearcase
/ˈɡɪrˌkeɪs/
noun
- A protective housing or container that holds gears, especially in machinery or vehicles.
- The gearcase on the lawnmower was cracked, so oil leaked out onto the grass.
- The boat's outboard motor has a sealed gearcase that keeps water away from the gears.
- Before reassembling the motor, make sure the gearcase is clean and free of debris.
Synonyms