Webster’s Revised Unabridged Dictionary · 1913
Dormant
Dor′mant (·mant), a. [F., p. pr. of dormir to sleep, from L. dormire; cf. Gr. δαρθάνειν, Skr. drā, OSlav. drēmati.] 1. Sleeping; as, a dormant animal; hence, not in action or exercise; quiescent; at rest; in abeyance; not disclosed, asserted, or insisted on; as, dormant passions; dormant claims or titles.
It is by lying dormant a long time, or being . . . very rarely exercised, that arbitrary power steals upon a people. Burke.
2. (Her.) In a sleeping posture; as, a lion dormant; — distinguished from couchant.
Dormant partner (Com.), a partner who takes no share in the active business of a company or partnership, but is entitled to a share of the profits, and subject to a share in losses; — called also sleeping or silent partner. — Dormant window (Arch.), a dormer window. See Dormer. — Table dormant, a stationary table. [Obs.] Chaucer.
Dor′mant (dôr′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.