Meaning ofjammerin English

Noun

1. a device disrupting radio signals
2. form-fitting swimwear for athletes; resembles shorts
3. a musician improvising music
   The jazz jammer played a solo on his saxophone.
4. a one-way rope sliding device (for climbing)
   The climber used a jammer to control her descent down the rock face.
5. a roller derby player scoring points by passing others
   The jammer quickly passed the opposing team's players to score points.