tablemount

Blend of table +‎ seamount

tablemount (plural tablemounts)

1. A seamount with a flat top; synonym of guyot.
   • 1959 January, Robert S. Dietz, “Drowned Ancient Islands of the Pacific”, in New Scientist, volume 5, number 111, page 16:

     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.

   • 1966, Naturalist - Volumes 17-19, page 257:

     This study recommended establishment as preserves an abyssal trench, an underseas tablemount, and an atoll.

   • 2005, Alan P. Trujillo, Harold V. Thurman, Essentials of Oceanography, page 65:

     Frequently, tops of tablemounts contain evidence of shallow-water conditions (such as ancient coaral reeef deposits) that were carried with it into deeper water.

• mesa (homologous landform on land)