A size of clothing designed specifically for overweight people.

The positive pion, composed of an up quark and an anti-down quark.

plural of plus sign

Wide knickerbocker breeches, so called because originally they were designed with four inches of excess material so as to hang in a fold below the fastening beneath the knee; traditionally associated with sports, especially golf.

A friend or date whom one brings along to an event; a guest of a guest.

Alternative spelling of plus one

(of clothing) Designed to fit an overweight person. / (of a person) Overweight.

(physics) in general relativity, describing the convention in which the metric tensor has a signature of (-,+,+,+).

(UK, politics) A proposal for a post-Brexit settlement that would have consisted of membership of the European Free Trade Association (EFTA) and the European Economic Area as an EFTA member state, combined with a separate customs union with the European Union.

plural of plus mark