What is the meaning of the word "trumpet" mentioned in His, the Almighty's, saying: "And the trumpet will be blown; and behold, from the graves they will rush to their Lord"?

The Sur mentioned in the verse (And the Sur will be blown) is a great horn into which Israfil will blow for the Resurrection. The Prophet, peace and blessings be upon him, interpreted it as "a horn that will be blown into." When asked how to prepare for that, the Prophet guided [them] to say: "Allah is sufficient for us, and [He is] the best Disposer of affairs. We have put our trust in Allah, our Lord."