Rafter/ˈræftər/ Definition 1 of 2Pro Tip 1/3Construction Term Used frequently in building and architecture conversations. Consult the architect for the rafter placement. Pro Tip 2/3Supportive Role Emphasizes the role of holding or supporting roofs, sometimes metaphorically. He's the rafter of his family, always providing support. Pro Tip 3/3Visual Imagery Invokes an image of an exposed framework, especially in historic or rustic settings. The cabin's open rafters gave it a cozy feel.