(1) - Clepsydra (n.) A water clock; a contrivance for measuring time by the graduated flow of a liquid, as of water, through a small aperture. See Illust. in Appendix.
(1) - Clerestory (n.) Same as Clearstory. (2) - Clerestory (n.) The upper story of the nave of a church, containing windows, and rising above the aisle roofs.
