Retracting hatch Synonyms

Synonyms for phrase

RH abbreviation

RH is an abbreviation for Retracting Hatch

What does RH stand for?

RH stands for "Retracting Hatch"

Definitions for Hatch

(noun) a barrier by which an entry is closed and opened
(verb) to cover and warm eggs as the young inside develop
(noun) a movable barrier covering a hatchway