common rafter[¦käm·ən ′raf·tər]
A rafter which extends from the plate of the roof to the ridge board at right angles to both members, and to which roofing is attached.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A sloped roof member that is smaller than the principal rafter, which spans from the top plate of the exterior wall to the roof ridge rafter.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
ridgeboard down to the eaves) that support the roof; these members are usually of the same size and evenly spaced along the length of the roof ridge.In wood-frame construction, one of a number of slanting structural members (extending from the
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.