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

Source: The Collaborative International Dictionary of English v.0.48
 

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.

Source: Webster's Revised Unabridged Dictionary (1913)