definite dimensions; a definite measure; a definite period or interval

Blue was released, and as Redford had predicted, it was a dog.

Clear-headed friend, whose joyful scorn, / Edged with sharp laughter, cuts atwain / The knots that tangle human creeds, / The wounding cords that bind and strain / The heart until it bleeds, […]

He sought to have that by practice which he could not by prayer.