(military) pincer attack

Synonym of double yellow lines

plural of double Gloucester

(medicine) Total or partial inability to move both sides of the body, but for the fact that one side is significantly more affected than the other.

Fregoli delusion

plural of delusion of doubles

(sports, aerial freestyle skiing) An aerialist maneuver consisting of 2 backflips in conjunction and simultaneous with two complete twists.

(linguistics) Of a language: such that the grammatical marks showing relations between the constituents of a phrase tend to be placed on both the heads (or nuclei) of the phrase in question, and on the modifiers or dependents.

treacherous

Extra-strong stout or porter.