Webster's Revised Unabridged Dictionary · 1913

Whispering

Whispering , adjective and noun

a. & n. from Whisper. transitive verb
Collocations (1)
Whispering gallery or Whispering dome , one of such a form that sounds produced in certain parts of it are concentrated by reflection from the walls to another part, so that whispers or feeble sounds are audible at a much greater distance than under ordinary circumstances. The dome of the U. S. capitol building is one example.