double-deck

[duhb-uh l-dek]
verb (used with object)
  1. to add a second deck to (a bridge) or a second level to (a road).

Origin of double-deck

An Americanism dating back to 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for double-deck

Historical Examples of double-deck