1. (aka "electrics groundrow") A group of cyc
or strip lights that sits on the stage
floor used to light a cyclorama
. The units are laid end to end to create a big row with all instruments focused up at the cyc or drop.
2. (aka "scenic groundrow") A low two-dimensional scenic unit
, sometimes with the top profiled, used to mask the bottom of an upstage cyc or backdrop
and any lighting fixtures behind.