1. to turn over (face down), to lay face down, to lay upside down
2. to point downwards (eyes, head, etc.), to cast down (eyes)
3. to lie (one's body) face down, to lie flat (on the ground)
4. to conceal, to hide, to keep secret, to place in hiding (...
1. as (it is), remaining (in a state), keeping (the same), leaving (unchanged)
2. with (e.g. one's eyes closed, the light on), while (e.g. standing, alive), as
3. as (one pleases, one is told, etc.), according to
4. sic