CHOKING

To be unable to breathe because of obstruction of the windpipe (for instance food or other objects that go down the wrong way, or fumes or particles in the air that cause the throat to constrict).

Example: "Ever since he choked on a bone, he has refused to eat fish."

To prevent (someone) from breathing or talking by strangling or filling the windpipe.

Example: "The collar of this shirt is too tight; it’s choking me."

To obstruct (a passage, etc.) by filling it up or clogging it.

Example: "To choke a cave passage with boulders and mud"

To hinder or check, as growth, expansion, progress, etc.; to kill (a plant by robbing it of nutrients); to extinguish (fire by robbing it of oxygen).

To perform badly at a crucial stage of a competition because one is nervous, especially when one is winning.

Example: "He has a lot of talent, but he tends to choke under pressure."

To move one's fingers very close to the tip of a pencil, brush or other art tool.

To be checked or stopped, as if by choking

To check or stop (an utterance or voice) as if by choking.

To have a feeling of strangulation in one's throat as a result of passion or strong emotion.

To give (someone) a feeling of strangulation as a result of passion or strong emotion.

To say (something) with one’s throat constricted (due to emotion, for example).

To use the choke valve of (a vehicle) to adjust the air/fuel mixture in the engine.

(of a duct) to reach a condition of maximum flowrate, due to the flow at the narrowest point of the duct becoming sonic (ma = 1).

To make a choke, as in a cartridge, or in the bore of the barrel of a shotgun.