Answer: groundling

AnswerCrossword Clue
GROUNDLINGCreeping plant
groundlingA spectator or reader of inferior taste, such as a member of a theater audience who traditionally stood in the pit below the stage
groundlingA person on the ground as opposed to one in a spacecraft or aircraft
groundlingA fish that lives at the bottom of lakes and streams, esp. a gudgeon or loach
groundlinga spectator who stood in the pit of an Elizabethan theater; a person of unsophisticated taste
groundlingA creeping or dwarf plant