'dorman tree' definitions:

Definition of 'dorman tree'

From: GCIDE

Dormant \Dor"mant\, n. [See Dormant, a.] (Arch.) A large beam in the roof of a house upon which portions of the other timbers rest or " sleep." --Arch. Pub. Soc. -- Called also dormant tree, dorman tree, dormond, and dormer. --Halliwell. Dormer