Overhead obstruction Synonyms

Definitions for Overhead

(adverb) to or in a higher place
(adjective) located or originating from above
(noun) (nautical) the top surface of an enclosed space on a ship

Synonyms for phrase

OO abbreviation

OO is an abbreviation for Overhead Obstruction

What does OO stand for?

OO stands for "Overhead Obstruction"

Obstruction replaced

Definitions for Obstruction

(noun) something that makes movement or progress difficult
(noun) any structure that makes progress difficult
(noun) the physical condition of blocking or filling a passage with an obstruction