Hatchway n. : A square or oblong opening in a deck or floor, affording passage from one deck or story to another; the entrance to a cellar.

Example:
where do i find a guide on building a wood Hatchway basement door?

Taxonomy
hatchway, Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, hatch, Custom Search, glossary, english, language, ESL, Search, hach, passage, ladder, stairs, enclosed space.

Defination from the web:
hatchway from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Learn more about "hatchway" with Google Search >> Custom Search. Learn more about "hatchway" and related topics at Britannica.com ...