What is an end piece or part; a piece, as a cap, nozzle, ferrule, or point, applied to the extreme end of anything; as, a tip for an umbrella, a shoe, a gas burner, etc called?

tip — An end piece or part; a piece, as a cap, nozzle, ferrule, or point, applied to the extreme end of anything; as, a tip for an umbrella, a shoe, a gas burner, etc. (Webster's 1913.)

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