tablemount means A seamount with a flat top; synonym of guyot. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
Etymology
Blend of table + seamount.
noun
- A seamount with a flat top; synonym of guyot.“The theory that the tablemounts were decapitated by great oscillations of sea level, owing to water becoming locked up in ice caps or to some other cause, seems to be definitely ruled out, since the peaks are not concordant.”