intercept

(noun) the point at which a line intersects a coordinate axis.

(verb) seize on its way. Synonyms: stop. Examples: "The fighter plane was ordered to intercept an aircraft that had entered the country's airspace."

(verb) tap a telephone or telegraph wire to get information. Synonyms: wiretap, tap, bug. Examples: "The fbi was tapping the phone line of the suspected spy." "Is this hotel room bugged?."