cough

Sometimes followed by up: to force (something) out of the lungs or throat by pushing air from the lungs through the glottis (causing a short, explosive sound), and out through the mouth.

Sometimes she coughed up blood.

Jeeves coughed one soft, low, gentle cough like a sheep with a blade of grass stuck in its throat, and then stood gazing serenely at the landscape.

To cause (oneself or something) to be in a certain condition in the manner described in etymology 1 sense 1.1.

He almost coughed himself into a fit.

To express (words, etc.) in the manner described in etymology 1 sense 1.1.

No ſtationary ſteeds / Cough their ovvn knell, vvhile heedleſs of the ſound / The ſilent circle fan themſelves, and quake.

To surrender (information); to confess.

Chiefly followed by up: to give up or hand over (something); especially, to pay up (money).

By the time you get back the men will all be striking out for the fire, and we'll break for the house and collar the dollars. Everybody cough up what matches he's got.

Thanks to Jeeves I was not going to be called on to cough up several thousand quid.

A sudden, often involuntary expulsion of air from the lungs through the glottis (causing a short, explosive sound), and out through the mouth.

Behind me, I heard a distinct, dry cough.

[I]t conduceth helpe to the crudities, humidities, and vvindineſſe of the ſtomacke and belly, and to helpe the ſhortneſſe of breath and coughes: […]

A bout of repeated coughing (verb etymology 1 sense 2.1); also, a medical condition that causes one to cough.

whooping cough

Sorry, I can’t come to work today—I’ve got a nasty cough.

A noise or sound like a cough (etymology 2 sense 1).

A vocalisation from a bird or other animal resembling a human cough.

Used to represent the sound of a cough (noun sense 1), especially when focusing attention on a following utterance, often an attribution of blame or a euphemism: ahem.

He was—cough—indisposed.