A small tool used for the fine-spray application of paint, dye, watercolor pigment, or ink by compressed air.

In a lightning protection system, the combination of a metal rod and its brace or footing, on the upper part

A stream of high-velocity temperature- controlled air which is directed downward, across an opening; excludes insects, exterior drafts, etc.; prevents the transfer of

A machine which draws in air at atmospheric pressure, then compresses it to pressures higher than atmospheric and delivers it

The chief meeting place or marketplace in an ancient Greek city.

The voussoir or keystone of an arch, especially when carved as a cartouche.

Said of animals or figures facing each other, as in pediments, overdoors, etc.

Sculptured representations of the heads or skulls of goats or of rams; used as decorations on ancient altars, friezes, etc.

1. A canopied niche flanked by colonnettes intended as a shelter for a statue or as a shrine. 2. A door or