1.NounA farmer whose lands do not support him adequately.
2.VerbTo hinder or block the passage of something moving, for example a fluid, mixture, traffic, people, etc. (due to an excess of this or due to a partial or complete obstruction), resulting in overfilling or overcrowding.
"congest traffic; congest roads; congest lungs; Pollution can congest the city’s streets with smog."