Webster's Revised Unabridged Dictionary -- Volume AB

Buzz, v. t.

1. To sound forth by buzzing. Shak.

2. To whisper; to communicate, as tales, in an under tone; to spread, as report, by whispers, or secretly.

I will buzz abroad such prophecies
That Edward shall be fearful of his life.
Shak.

3. To talk to incessantly or confidentially in a low humming voice. [Colloq.]

4. (Phonetics) To sound with a "buzz". H. Sweet.

Buzz, n.

1. A continuous, humming noise, as of bees; a confused murmur, as of general conversation in low tones, or of a general expression of surprise or approbation. "The constant buzz of a fly." Macaulay.

I found the whole room in a buzz of politics.
Addison.

There is a buzz all around regarding the sermon.
Thackeray.

2. A whisper; a report spread secretly or cautiously.

There's a certain buzz
Of a stolen marriage.
Massinger.

3. (Phonetics) The audible friction of voice consonants. H. Sweet.

Buz"zard (bŭz"zrd), n. [O.E. busard, bosard, F. busard, fr. buse, L. buteo, a kind of falcon or hawk.]