basement
/ˈbeɪsmənt/
Proposed by a contributor, not yet supported by evidence.
Also seen as: basements
Sense 1
Meaning · English
A floor of a building below ground level.
Noun
Examples
Turning back, then, toward the basement staircase, she began to grope her way through blinding darkness, but had taken only a few uncertain steps when, of a sudden, she stopped short and for a little stood like a stricken thing, quite motionless save that she quaked to her very marrow in the grasp o
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
A mass of igneous or metamorphic rock forming the foundation over which a platform of sedimentary rocks is laid.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “basement” mean?
A floor of a building below ground level.
Is “basement” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.