Siding Installation - Questions 1813 eaves-trough, 1817 eave trough, 1870 eavestrough, from +. (countable and uncountable, plural) (Canada and North US) A trough under the eaves of a structure for draining water from the roof covering; rain gutter. 1813, John Farey, General Sight of the Agriculture of Derbyshire, v 2, http://dallasjvgpz.educationalimpactblog.com/16966403/what-does-siding-repair-mean