upside-down

from WordNet (r) 3.0 (2006)

upside-down
    adj 1: being in such a position that top and bottom are
           reversed; "a quotation mark is sometimes called an
           inverted comma"; "an upside-down cake" [syn: {inverted},
           {upside-down}]

from The Collaborative International Dictionary of English v.0.48

Upside-down \Up"side-down`\, a.
   having the part normally pointed upward pointed downward;
   inverted.
   [PJC]

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