[follow-up] {n.} Additional work or research by means of which an […]

[food for thought] {n. phr.} Something to think about or worth […]

[foot in the door] {n. phr.}, {informal} The first step toward […]

[force play] or [force-out] {n.} A play in baseball in which […]

[forty winks] {n. phr.}, {informal} A short period of sleep; a […]

[forward wall] {n.} The line of a football team. * /Princeton […]

[foul ball] {n.} A batted baseball that lands outside the foul […]

[foul line] {n.} 1. Either of two lines separating fair from […]

[foul play] {n.} Treachery; a criminal act (such as murder). * […]

[foul shot] {n.} A free throw given in basketball to a […]