What does the word basalt mean?

Usage examples for basalt

  1. Think how they beat and tear, and drive and drag, until even the hardest rock, like basalt, becomes honeycombed into strange galleries and passages- Fingal's Cave, for instance- and the softer parts are crumbled away. – Pioneers of Science by Oliver Lodge
  2. It winds around high mountains of basalt; its sides are steep; its bed is encumbered with immense blocks of rock, fallen from the sides of the mountains, which render it impossible to walk along its banks. – Adventures in the Philippine Islands by Paul P. de La Gironi√®re
  3. 18 Hebrew adds a basalt pillar and, after bronze, against all the land. – Jeremiah by George Adam Smith