rafters is a form of:

Rafter



noun
1.
(One of the sloping beams the support a roof) អ្នកចងក្បួន, បង្កង់ឬផ្ទោង (គ្រឿងដំបូល)
ENGLISH MEANING
noun
1.
Originally, any rough and somewhat heavy piece of timber. Now, commonly, one of the timbers of a roof which are put on sloping, according to the inclination of the roof.
verb
1.
(TRANSITIVE) To make into rafters, as timber.
2.
(TRANSITIVE) To furnish with rafters, as a house.
3.
(TRANSITIVE) To plow so as to turn the grass side of each furrow upon an unplowed ridge; to ridge.
1.
A raftsman