Definition of rabbit ears in US English:

rabbit ears

plural noun

informal
  • 1A television antenna with two metal rods arranged in a V-shape.

    ‘I was forced to watch through snowy interference, wrestling with a pair of rabbit ears until the antenna could locate the signal’
  • 2Baseball
    An acute sense of hearing or awareness of one's surroundings causing distraction or loss of focus.

    ‘you're not supposed to have rabbit ears when you're behind the plate’