moonbounce

/M UW1 N B AW1 N S/
noun
  1. 1

    (uncountable, amateur radio) A form of transmission in which the signal is reflected off the Moon, so that it can be picked up on Earth wherever the Moon is above the horizon.

  2. 2

    (countable) Alternative spelling of moon bounce (“bouncing castle”). [(US) Synonym of bouncing castle.]