# ringbill

> English word · Noun

## Definitions
1. Aythya collaris, a diving duck of North America with a white band around the bill.

## Etymology
From ring + bill.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ringbill