Used attributively in technical contexts (e.g., "grouser bar", "grouser height").
Definitions
Relating to or designed for a grouser—the traction projections on the tracks of a vehicle. Technicians checked the grouser height on the excavator’s track shoes.
Australian/New Zealand informal slang meaning ‘excellent’
Definitions
Excellent; very good (chiefly Australia and New Zealand, informal). That new café is really grouse.