...on bottom of Magic Hat bottle cap.
- S: (n) whisper, whispering, susurration, voicelessness (speaking softly without vibration of the vocal cords)
- S: (n) rustle, rustling, whisper, whispering (a light noise, like the noise of silk clothing or leaves blowing in the wind)
VerbS: (v) whisper (speak softly; in a low voice)
Definition of "whisper" from Princeton's WordNet