1831 14 May 312/1 He placed himself under roof-spouts in heavy rains to benefit his constitution with an effectual cold bath.
1860 C. Dickens Uncommerc. Traveller in 7 Apr. 560/1 The rain was jerking in gushes out of the old roof-spouts.
1997 P. Arthur & R. Ling I. ii. 213 The drainage channel..collected water from a roof-spout or downpipe at the northern end.