'Tongues' in the Bible

After these things I saw, and behold, a great multitude, which no man could number, out of every nation and of all tribes and peoples and tongues, standing before the throne and before the Lamb, arrayed in white robes, and palms in their hands;

And they say unto me, Thou must prophesy again over many peoples and nations and tongues and kings.

And from among the peoples and tribes and tongues and nations do men look upon their dead bodies three days and a half, and suffer not their dead bodies to be laid in a tomb.

And the fifth poured out his bowl upon the throne of the beast; and his kingdom was darkened; and they gnawed their tongues for pain,

And he saith unto me, The waters which thou sawest, where the harlot sitteth, are peoples, and multitudes, and nations, and tongues.