Definitions:
(of a person or animal) have severe difficulty in breathing because of a constricted or obstructed throat or a lack of air

fill (a space) so as to make movement difficult or impossible

make (someone) speechless with a strong feeling or emotion

enrich the fuel mixture in (a petrol engine) by reducing the intake of air

a valve in the carburettor of a petrol engine that is used to reduce the amount of air in the fuel mixture when the engine is started

a sound produced by a person or animal having difficulty in breathing

the inedible mass of silky fibres at the centre of a globe artichoke.