probe
Cross references: 1. enter 1. probe \'pro-b\ n [ML proba examination, fr. L probare] 1: a slender surgical instrument for examining a cavity 2a: a pointed metal tip for making electrical contact with a circuit elemen t being checked 2b: a device used to penetrate or send back information from outer space 2c: a pipe on the receiving airplane thrust into the drogue of the deliveri ng airplane in air refueling 3a: the action of probing 3b: a penetrating investigation 3c: a tentative exploratory advance or survey 2. probe vt 1: to examine with a probe 2: to investigate thoroughly : to make an exploratory investigation - prober n
Webster's English Dictionary