Ar`chi*man"drite (&?;), n. [L. archimandrita, LGr. &?;; pref. &?; (E. arch-) + &?; an inclosed space, esp. for cattle, a fold, a monastery.] (Gr. Church) (a) A chief of a monastery, corresponding to abbot in the Roman Catholic church. (b) A superintendent of several monasteries, corresponding to superior abbot, or father provincial, in the Roman Catholic church.
Ar`chi*me*de"an (&?;), a. [L. Archimedeus.] Of or pertaining to Archimedes, a celebrated Greek philosopher; constructed on the principle of Archimedes' screw; as, Archimedean drill, propeller, etc.
Archimedean screw, or Archimedes' screw, an instrument, said to have been invented by Archimedes, for raising water, formed by winding a flexible tube round a cylinder in the form of a screw. When the screw is placed in an inclined position, and the lower end immersed in water, by causing the screw to revolve, the water is raised to the upper end. Francis.
||Ar`chi*me"des (&?;), n. (Paleon.) An extinct genus of Bryzoa characteristic of the subcarboniferous rocks. Its form is that of a screw.
Arch"ing (&?;), n. 1. The arched part of a structure.