# iceberg basement

> English word · Noun

## Definitions
1. An extensive luxurious basement added to a home to avoid the difficulties of building an extension above ground.

## Etymology
So called because the greater part of an iceberg remains below sea level.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/iceberg-basement