Definition of "Probe" :

noun: an investigation conducted using a flexible surgical instrument to explore an injury or a body cavity

noun: an exploratory action or expedition

noun: a flexible slender surgical instrument with a blunt end that is used to explore wounds or body cavities

noun: an inquiry into unfamiliar or questionable activities

"There was a congressional probe into the scandal."

verb: question or examine thoroughly and closely

verb: examine physically with or as if with a probe

"Probe an anthill."