ground forces
- n a permanent organization of the military land forces of a nation or state
ground glass
- n glass that diffuses light due to a rough surface produced by abrasion or etching
- n particulate glass made by grinding and used as an abrasive
ground-berry
- n small prostrate or ascending shrub having scarlet flowers and succulent fruit resembling cranberries; sometimes placed in genus Styphelia
- n creeping shrub of eastern North America having white bell-shaped flowers followed by spicy red berrylike fruit and shiny aromatic leaves that yield wintergreen oil
ground-controlled approach
- n aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar
ground-effect machine
- n a craft capable of moving over water or land on a cushion of air created by jet engines
ground-emplaced mine
- n an explosive mine hidden underground; explodes when stepped on or driven over
ground-service crew
- n the crew of technicians and mechanics who service aircraft on the ground
ground-shaker
- n huge herbivorous dinosaur of the Cretaceous found in western North America
ground bass
- n a short melody in the bass that is constantly repeated