'Upside-down' definitions:
Definition of 'upside-down'
From: WordNet
adjective
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]
Definition of 'Upside-down'
From: GCIDE
- Upside-down \Up"side-down`\, a. having the part normally pointed upward pointed downward; inverted. [PJC]