noun
- Small cups or reservoirs designed to hold oil for lubricating machinery or mechanical parts.
Usage: Usually plural; technical/mechanical context
Examples
- The old machinery required regular filling of the oilcups to keep the bearings lubricated.
- Maintenance workers checked the oilcups on the factory equipment every morning.
- The antique clock had tiny brass oilcups at each pivot point.
- Without proper oilcups, the gears would wear out quickly from friction.