As a noun tsunami is
.
valcano
Not English
Valcano has no English definition. It may be misspelled.
tsunami
English
Alternative forms
* sunami (nonstandard)
Noun
(en-noun)
A very large and destructive wave, generally caused by a tremendous disturbance in the ocean, such as an undersea earthquake or volcanic eruption.
Synonyms
* tidal wave (usage conflict)
Derived terms
* megatsunami
* teletsunami
* tsunamigenic
* tsunameter
See also
* earthquake
* flood
* natural disaster
* seaquake
* seiche
* tidal wave
* waterquake