(UK, journalism) The event or news article important enough to delay or interrupt the print, or require a reprint, of a publication, particularly of a newspaper edition.

(UK) Used to announce an event or news article important enough to delay or interrupt the print, or require a reprint, of publication, particularly of a newspaper edition.

(meteorology) Any or all of the forms of water particles, whether liquid or solid, that fall from the upper atmosphere (e.g., rain, hail, snow or sleet). It is a major class of hydrometeor, but it is distinguished from cloud, fog, dew, rime, frost, etc., in that it must fall. It is distinguished from cloud and virga in that it must reach the ground.

A rule or principle, especially one governing personal conduct. / (law) A written command, especially a demand for payment.

(intransitive, chiefly US, medicine) To act as a preceptor; to teach a physician-in-training by supervising their clinical practice. / (transitive, obsolete) To teach (something) by precepts.

(physiology) The highest pressure within the bloodstream, occurring during each heart beat, because of the systole.

(physiology) The lowest pressure within the bloodstream, occurring between heart beats, because of a diastole.

Previous caution or care; caution previously employed to prevent misfortune or to secure good / A measure taken beforehand to ward off evil or secure good or success; a precautionary act.

(transitive) To warn or caution beforehand. / (transitive, rare) To take precaution against.

atmospheric pressure or barometric pressure. / the (amount of) pressure of air within something