any one of many different kinds of birds that swim and have a flat beak, a short neck, a heavy body, short legs, and webbed feet—often used before another noun
a female duck
the meat of a duck used as food
2duckverb
to lower your head or body suddenly to avoid being seen or hit —often + down
to lower (your head) suddenly
to avoid (something, such as a punch) by lowering your head or body suddenly
