a) [intransitive always + adverb/preposition]
if liquid or fire spouts from somewhere, it comes out very quickly in a powerful stream [= spurt]
Blood was spouting from the wound in her arm.
to send out liquid or flames very quickly in a powerful stream:
a volcano spouting lava
2 also spout off [intransitive and transitive] informal
to talk a lot about something in a boring or annoying way:
My father was spouting his usual nonsense!
I hate it when he spouts off like that!
I'm tired of listening to Jim spouting about politics.
if a whale spouts, it sends out a stream of water from a hole in its head