probe
n//pɹoʊb//sond, utforska
(aeronautics) A tube attached to an aircraft which can be fitted into the drogue from a tanker aircraft to allow for aerial refuelling. [from 20th c.]
(sciences) A small device, especially an electrode, used to explore, investigate or measure something by penetrating or being placed in it. [from 20th c.]
(astronautics) A small, usually uncrewed, spacecraft used to acquire information or measurements about its surroundings. [from 20th c.]
(ambitransitive) To explore, investigate, question, test, or prove.