צוּר tsûwr (H6697)

properly, a cliff (or sharp rock, as compressed); generally, a rock or boulder; figuratively, a refuge; also an edge (as precipitous)

1) rock, cliff 1a) rocky wall, cliff 1b) rock (with flat surface) 1c) block of stone, boulder 1d) rock (specific) 1e) rock (of God) 1f) rock (of heathen gods) n pr dei 1g) Rock

or צֻר; from צוּר (H6696);