(military) An attack in which two or more forces attack from multiple sides at once.

An attack to the groin area of the body.

To attack in response to an attack by opponents.

(fencing) An attack that is intended to miss or fall short, so as to produce a reaction from the opponent. Also called a false action.

An attack made in response to an attack by the opponents

(ice hockey) From one team's point of view, the area between the blue line of the other team's half of the rink and the end board behind the other team's goal.

Used other than figuratively or idiomatically: see open, attack: to begin attacking, to commence battle. / (cricket) Of a bowler: to bowl one of the first two overs.

(cardiology) An acute myocardial infarction, sometimes fatal, caused by the sudden occurrence of coronary thrombosis, which obstructs the blood supply to the heart and leads to necrosis of heart muscle tissue.

(aeronautics) The angle between the chord line of an airfoil and the airflow over it; one of the determiners of the amount of lift produced by an airfoil.

(computer security) An attempt to subvert security by recording legitimate communications and repeating them to try to impersonate a valid user.