Definitions:
(with reference to a liquid) reach or cause to reach the temperature at which it bubbles and turns to vapour

(with reference to food) cook or be cooked by immersing in boiling water or stock

(of the sea or clouds) be turbulent and stormy

the temperature at which a liquid bubbles and turns to vapour

a casual outdoor meal at which shellfish is prepared by boiling

an inflamed pus-filled swelling on the skin, caused typically by the infection of a hair follicle.