tailing

(noun) the act of following someone secretly. Synonyms: shadowing.

(verb) go after with the intent to catch. Synonyms: chase, chase after, trail, tail, tag, give chase, dog, go after, track. Examples: "The policeman chased the mugger down the alley." "The dog chased the rabbit."

(verb) remove or shorten the tail of an animal. Synonyms: dock, tail, bob.

(verb) remove the stalk of fruits or berries. Synonyms: tail.