a slender, blunt surgical instrument for exploring a wound or the like
the act of probing
a searching examination; specif.,
☆ an investigation, as by a legislative committee, into corruption, etc.
an exploratory advance or patrol
☆ an instrumented spacecraft for exploring the upper atmosphere, space, or a celestial body in order to get information about the environment, physical properties, etc.
any of various devices, as a Pitot tube or electrode, inserted into an environment for measuring, testing, etc.