OTTONAIO: a brass caster. Tra. 120.

OVATO: an octagonal or eight-sided figure or arrangement. Tra. 97.

OVOLATORO: a metal founder. V. 121. OVOLATORE DI ZECCA: metal founders of the mint (S.).

PADIGLIONI: the pavilion or back facets of a stone. Italian stone-cutters distinguish in a stone the following parts: il bordo, la tavola, le facette, i padiglioni.

PAGONAZZO: peacock blue. Tra. 38.

PAIUOLO: a pail. Tra. 164.

PALA: a spade; a shovel. Tra. 177.

PALETTA, PALETTINA: a palette or placque, as of iron. Tra. 192.

PALETTIERE: a hand-shaped palette, such as Cellini constructed specially on a leaden stand to hold enamels. Tra. 32, 36.

PALLA, PALLOTTOLA: a ball; a sphere. Tra. 79, 97.