Real Dictionary

-gate in American English
a scandal characterized by charges of corruption or illegal acts carried out, usually in a covert manner, by people with power or influence
combining form: a combining form extracted from Watergate, occurring as the final element in journalistic coinages, usually nonce words, that name scandals resulting from concealed crime or other alleged improprieties in government or business

-gate in British English
combining form in countable noun: indicating a person or thing that has been the cause of, or is associated with, a public scandal

gate
countable noun: A gate is a structure like a door which is used at the entrance to a field, a garden, or the grounds of a building.
countable noun: In an airport, a gate is a place where passengers leave the airport and get on their aeroplane.

gate in American English 1
a movable framework or solid structure, esp. one that swings on hinges, controlling entrance or exit through an opening in a fence or wall
to confine (a student) to the college grounds
noun: a movable barrier, usually on hinges, closing an opening in a fence, wall, or other enclosure

gate in American English 2
a channel through which molten metal is poured into a mold
noun: a path; way

gate in American English 3
a road or path

gate in British English 1
to provide with a gate or gates
noun: a movable barrier, usually hinged, for closing an opening in a wall, fence, etc

gate in British English 2
noun: the channels by which molten metal is poured into a mould

gate in British English 3
noun: a way, road, street, or path