A chess opening characterized by the moves 1.e4 c5, in which both the white king's pawn and the black king's bishop's pawn advance two squares as the first moves.

(chess) A chess opening characterized by the moves e4 Nf6.

A chess opening characterized by the moves 1.e4 d5, in which both the white king's pawn and the black queen's pawn advance two squares as the first moves.

gay panic defense

(economics) The spending by a government in excess of government revenue, intended to boost the economy.

A childhood disorder characterized by an ongoing pattern of anger-guided disobedience, hostility, and defiant behavior toward authority figures.

(video games) A style of real-time strategy video game in which the player attempts to stop enemies from crossing a map by building traps to slow them down and towers or turrets which shoot at them as they pass within range.

(law) To fail to appear or answer.

The situation where a wealthy party in a legal case avoids having to disclose the extent of his/her assets by arguing that he/she clearly has the ability to make any payment the court might impose.

(neuroscience) A network of brain regions that are active when the individual is not focused on the outside world and the brain is at wakeful rest.