[one's money's worth] {n. phr.} A fair return on one's money […]

[one-armed bandit] {n.}, {slang} A slot machine, like those used in […]

[one-night stand] {n. phr.} 1. A single performance given by a […]

[one-two] {n.} 1. A succession of two punches, the first a […]

[open heart] {n.} 1. No hiding of your feelings; frankness; freedom. […]

[open letter] {n. phr.} A public message in the form of […]

[open market] {n. phr.} Goods or securities available for purchase by […]

[open marriage] {n. phr.} An arrangement by mutual agreement between husband […]

[open one's eyes] or [open up one's eyes] {v. phr.} To […]

[open question] {n. phr.} A debatable issue. * /Whether assisted suicide […]