the world > space > relative position > condition of being external > covering > cover [verb (transitive)] > by turning something upside down over > turn upside down so as to cover (2)
transitive. To turn (a hollow vessel) upside down, or over or upon something so as to cover it; to turn with the concave side downwards. Now dialect.
transitive. To turn (a vessel, etc.) upside down so as to cover something; gen. to turn or roll over, overturn; to upheave. to whelve over, to…