catflap.org Online Dictionary Query

  bulbous probe /bˈʌlbəs pɹˈəʊb/
  Knopfsonde 
     Synonyms: bulb-headed prob, probang, pathfinder
  
   see: surgical probe, sound, surgical probes, sounds, biopsy probe, urethral sound, double-ended probe, ball probang, searcher, probe with eye, blunt probe, dull probe, dental probe, dental explorer, probing olive, probe sth., the passage of the probe, tip of the probe, probe tip, probe a cavity