Alternative spelling of ice cream parlor

plural of parade ground

plural of particle horizon

A cosmological horizon

(US) Alternative spelling of discretion is the better part of valour

(military) A substitute for dress parade in bad weather, the companies forming without arms, and the ceremony being shortened.

Misspelling of till death do us part.

A paradox, related to probability, where the expected win for repeated play of a game is infinite, so it seems that a player should be willing to pay any price to take part.

petroleum jelly

Domestic violence between people who are in an intimate relationship.