ERUPT

vt to cause to burst forth; to eject; as, to erupt lava.

2. erupt ·add. ·vi to eject something, ·esp. lava, water, ·etc., as a volcano or geyser.

3. erupt ·add. ·vi to burst forth; to break out, as ashes from a volcano, teeth through the gums, ·etc.