down, downward -- (extending or moving from a higher to a lower place; "the down staircase"; "the downward course of the stream")
downward -- (on or toward a surface regarded as a base; "he lay face downward"; "the downward pull of gravity")
Overview of adv downward
The adv downward has 1 sense
down, downwards, downward, downwardly -- (spatially or metaphorically from a higher to a lower level or position; "don't fall down"; "rode the lift up and skied down"; "prices plunged downward")