(idiomatic, UK) Mouth-to-mouth resuscitation.

(idiomatic) A change of one's opinion, belief or decision.

(idiomatic) Plain; clearly apparent; obvious.

(anthropology) A ceremony or series of ceremonies, often very ritualized, to celebrate a transition in a person’s life. Baptisms, bar mitzvahs, weddings and funerals are among the best known examples.

A component in a device, or a point in a network, that, if it were to fail would cause the entire device or network to fail; normally eliminated by adding redundancy.

(simile, colloquial, Britain, derogatory) Very unattractive.

(idiomatic) An expression which is worded in a distinctive way, especially one which is particularly memorable or artful.

(idiomatic, transitive) To come to understand, discover the truth about, or solve.

(time) fifteen minutes.

(oenology) A ring of clear liquid, forming into drops, near the top of a glass of fortified wine; the result of differential evaporation of alcohol and subsequent changes in surface tension; an example of the Marangoni effect.