WordReference Random House Unabridged Dictionary of American English © 2026
ground′ plane′,
- (in perspective drawing) the theoretical horizontal plane receding from the picture plane to the horizon, beginning at the level of the base line.
- Electronicsa ground plate or an underground mesh of radial wires connected to a vertical antenna (ground′ plane′ anten′na) that is grounded in order to provide suitable radiation characteristics.
- 1825–35
'ground plane' also found in these entries (note: many are not synonyms or translations):