What is the meaning of Three-decker?

Anything with three layers or levels.

  1. Alternative form of triple-decker (type of sandwich).
  2. Alternative form of triple-decker (type of bus).
  3. Alternative form of triple-decker (type of apartment building).
  4. Alternative form of triple-decker (type of headline).
  5. A sailing warship that had guns on each of three decks.
  6. An old-fashioned pulpit.

Alternative form of triple-decker (type of sandwich).

Alternative form of triple-decker (type of bus).

Alternative form of triple-decker (type of apartment building).

Alternative form of triple-decker (type of headline).

A sailing warship that had guns on each of three decks.

An old-fashioned pulpit.

Source: wiktionary.org