Lexicon Technicum/A
ABACUS
ABACUS. Besides the former Account of the Abacus, I find that Mauclerc, in the Ionick Order, designs what the Workmen call and O.G. with a Fillet over it for the Abacus: Which Fillet is half the Breadth of the O.G. and he calls it the Fillet of the Abacus'. In the Corinthian Order, he describes the Abacus as a seventh Part of the whole Capital. Palladio calls the Plinth about the Boultin (or Eckinus) the Abacus: Which from its Form, saith he, is commonly called Dado, or the Dye; and this is of the whole heighth of the Capital.
Scamozzi calls a certain Hollow of Casement, which is the Capital of the Pedestal of the Tuscan Order, by his Name Abacus.
ABASE
ABASE, in the Sea Language, is to Lower or Take in. To Abase the Flag, is to take in the Flag.
ABBACY
ABBACY, is the Government of a Religious House, with the Revenues and Persons subject to an Abbat.