'Groundling' definitions:

Definition of 'groundling'

(from WordNet)
noun
In Elizabethan theater: a playgoer in the cheap standing section

Definition of 'Groundling'

From: GCIDE
  • Groundling \Ground"ling\, n. [Ground + -ling.]
  • 1. (Zool.) A fish that keeps at the bottom of the water, as the loach. [1913 Webster]
  • 2. A spectator in the pit of a theater, which formerly was on the ground, and without floor or benches. [1913 Webster]
  • No comic buffoon to make the groundlings laugh. --Coleridge. [1913 Webster]