to buzz or hum
To speak softly, or under the breath, so as to be heard only by one near at hand; to utter words without sonant breath; to talk without that vibration in the larynx which gives sonorous, or vocal, sound.
To speak with suspicion or timorous caution; to converse in whispers, as in secret plotting.
To make a low, sibilant sound.
To mention privately and confidentially, or in a whisper.
A private message to an individual in a chat room.
A low rustling sound, like that of the wind in leaves.
A rumor.
A faint trace or hint (of something).
The act of speaking in a quiet voice, especially, without vibration of the vocal cords.