Answer: spewers

AnswerCrossword Clue
SPEWERSVolcanoes, at times
SPEWERSVolcanoes, e.g.
SPEWERSThey're prone to harangues
SPEWERSActive volcanoes, e.g.
SPEWERSSome volcanoes
SPEWERSActive volcanoes
SPEWERSViolent volcanoes
spewersSPEWER, one that pews