/'rɑ:ftə(r); [US] 'ræf-; `ræftɚ/
n any of the parallel sloping beams supporting the tiles, slates, etc of a roof 椽
*hams hanging from the rafters, eg in an old inn 悬挂在椽子上的火腿（如在昔时酒店所见）.
n [C usually plural]
[Language: Old English;Origin: rAfter]
one of the large sloping pieces of wood that form the structure of a roof
The club was packed to the rafters (=very full) .