the sound of the flapping of the wings of a large bird, or of a flight of birds ...1831
FIRST DOCUMENTED USE
1831 - see EXAMPLE below
"...There is silence in the Snuggery from half-past seven till half-past eight; or, rather, a sound like the whutter of wild-fowl on the feed along a mud-bank, by night, in Poole Harbour, at low-water, as described by Colonel Hawker..."
From: Blackwood's Edinburgh Magazine
Vol. XXIX. January - June, 1831
in: Noctes Ambrosianae
- John Wilson