D defs.my
Entry 1 sense Webster, 1913

Rooftree

/ro͞of'-trēˌ/ · Roof·tree · IPA /ˈɹufˌtɹi/
01 n. The beam in the angle of a roof; hence, the roof itself.
  1. 1.
    The beam in the angle of a roof; hence, the roof itself.
    “Now for me the woods may wither, now for me the rooftree fall.” Tennyson.