Pronunciation: (blOO'pur), [key]
1. Informal.an embarrassing mistake, as one spoken over the radio or TV.
2. Radio.a receiving set that generates from its antenna radio-frequency signals that interfere with other nearby receivers.
3. Also,bloop. Baseball.
a. Also called looper. a fly ball that carries just beyond the infield.
b. a pitched ball with backspin, describing a high arc in flight.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.