soft, fine, fluffy feathers which form the first covering of a young bird or an insulating layer below the contour feathers of an adult bird

the baby penguins' woolly down is essential in the Antarctic winter

a gently rolling hill

the gentle green contours of the downs

a stretch of sea off the east coast of Kent, sheltered by the Goodwin Sands

knock or bring to the ground

175 enemy aircraft had been downed

he struck Slater on the face, downing him

consume (something, typically a drink)

he downed five pints of cider

a period of unwelcome experiences or negative mood

there had been more downs than ups during his years at the company

everyone gets their downs, their depressive periods

a chance for a team to advance the ball, ending when the ball carrier is tackled or the ball becomes out of play. A team must advance at least ten yards in a series of four downs in order to keep possession