Noun Definitionjam1.Definition: a dense crowd of peopleRelated Noun(s):crush, pressCategory: General2.Definition: deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systemsCategory: General3.Definition: informal terms for a difficult situationRelated Noun(s):fix, hole, mess, muddle, pickleCategory: General4.Definition: preserve of crushed fruitCategory: Food