トレッドトレッドFreq.FrequencyTop 50,000Meanings1nountread (of a tyre)Refers specifically to the grooved surface of a tyre that makes contact with the road.タイヤのトレッドがすり減へっているので交こう換かんが必ひつ要ようだ。The tyre tread is worn down, so it needs to be replaced.