subbasement

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English[edit]

Etymology[edit]

sub- +‎ basement

Noun[edit]

subbasement ‎(plural subbasements)

  1. A basement located beneath another basement
    • 2007 February 8, David W. Dunlap, “What May Have Made Good Neighbors Now Present a Puzzle”, in New York Times[1]:
      Joan H. Geismar is trying to unravel the mystery of old stone walls in the subbasement of Federal Hall National Memorial on Wall Street.