Definition of "godsend"

"You do, indeed, seem to take it to heart!" exclaimed the actress, an expression of jealous anger crossing her features; "why, it is quite a God-send for you! many a heart is caught in the rebound. […]"

1837, L[etitia] E[lizabeth] L[andon], “A Discovery”, in Ethel Churchill: Or, The Two Brides. […], volume III, London: Henry Colburn, […], page 207

[O]nce again, as in 1803, we were on the brink of being sacrificed to the very lunacies of retrenchment. By a mere god-send, more troops happened to arrive from the Indian continent.

1843 November, Thomas De Quincey, “Ceylon”, in Speculations Literary and Philosophic: With German Tales and Other Narrative Papers (De Quincey’s Works; XII), London: James Hogg & Sons, page 27

By this time my wife was in Barcelona and used to send me tea, chocolate, and even cigars when such things were procurable; but even in Barcelona everything was running short, especially tobacco. The tea was a godsend, though we had no milk and seldom any sugar.

1938 April, George Orwell [pseudonym; Eric Arthur Blair], chapter VI, in Homage to Catalonia, London: Secker & Warburg, page 80

To the onlooker, and particularly to those whose memories go back to pre-grouping days, the modern cavalcade of "V2s" and "B1s" is apt to become a little monotonous; but to any running man the general utility characteristics of these two classes are a perfect godsend at times of exceptional pressure, when it is often a case of "first in—first out" with locomotive allocations at sheds.

1949 November–December, O[swald] S[tevens] Nock, “Twenty-Four Hours at York—2”, in The Railway Magazine, London: Tothill Press, pages 357–358