Meaning of “wing” - Learner’s Dictionary

wing

noun [ C ] uk us /wɪŋ/
CREATURE

B1 one of the two parts that a bird or insect uses to fly

AIRCRAFT

B2 one of the two long, flat parts at the sides of an aircraft that make it stay in the sky

CAR UK (US fender)

one of the parts at each corner of a car above the wheels

BUILDING

a part of a large building that is joined to the side of the main part:

Their offices are in the West wing.
POLITICS

a group of people in an organization or political party who have the same beliefs:

the nationalist wing of the party

(Definition of “wing” from the Cambridge Learner’s Dictionary © Cambridge University Press)