volcano: Meaning and Definition of
Pronunciation: (vol-kā'nō), [key]
— pl. -noes, -nos.
- a vent in the earth's crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals.
- a mountain or hill, usually having a cuplike crater at the summit, formed around such a vent from the ash and lava expelled through it.
- volcano (Thesaurus)