noun (f) balisa The actual expression somebody looked up in the dictionary was 'homing beacon'. According to Wikipedia, a 'homing beacon' is: "a device that allows the user to track a ship, an animal, or another individual. Depending on the beacon, the range can be as short as a hundred meters, or, in science fiction, allow for tracking a ship through hyperspace." I can't find anything in Termcat. I don't suppose anybody has any idea?