| 释义 | 
		rafter I. raf·ter \ˈraftə(r), ˈraaf-, ˈraif-, ˈrȧf-\ noun (-s) Etymology: Middle English, from Old English ræfter; akin to Middle Low German rafter, rachter rafter, Old Norse raptr 1.  : one of the often sloping beams that support a roof — compare hip rafter, jack rafter, valley rafter; see roof illustration 2. or rafter bird  : spotted flycatcher II. rafter verb (-ed/-ing/-s) transitive verb 1.  : to furnish (as a house) with rafters 2. dialect England  : to plow so as to turn the grass side of each furrow upon an unplowed ridge : ridge 2a intransitive verb  : to override and underrun one another — used of pieces of ice under pressure III. raft·er noun (-s) Etymology: raft (III) + -er  : one who by walking on floating logs or booms or working from a boat maneuvers logs into position and binds them into rafts that can be towed to a mill — called also boom man, raffman, raftsman IV. rafter noun (-s) Etymology: raft (IV) + -er  : flock — used especially of turkeys |