spatially or metaphorically from a higher to a lower level or position
to move (the head or body) quickly downwards or away
being or moving lower in position or less in some value
small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs
submerge or plunge suddenly
drink down entirely
soft fine feathers
bring down or defeat (an opponent)
becoming progressively lower
eat immoderately
