Narrow rim. A plate (or, rarely, other sadware) with an exceptionally narrow rim, less than 10% of the overall diameter.
Noggin or Naggin. An Irish measure of a quarter of a pint.
O.E.W.S. Old English Wine Standard. A measure of capacity abolished in 1826 in the UK and dominions but continuing in use in the USA (one pint OEWS = 16.7 fluid ounces)
Oxidation. One of the processes which contributes to corrosion.
Paten. A shallow plate used for bread in the Holy Communion/Mass service.
P.C.C.A. Pewter Collectors' Club of America.
Pewter. An alloy consisting predominately of tin, but alloyed with some other metal(s) to make it stronger and easier to cast or spin. Metals that have been alloyed with tin include copper, antimony, bismuth and lead. The tin content of most pewter exceeds 90%, although there are some exceptions (see lead).
Pilgrim Badge. A badge, usually made of pewter, worn by pilgrims to holy shrines in England and continental Europe between the 13th & 15th centuries. Badges were usually specific to the pilgrimage depicting the saint or images pertaining to the saint or his shrine. They were sewn or pinned onto clothes or worn as pendants. At the end of the journey home, many pilgrims discarded their badges and large quantities have been found on the foreshores of rivers such as the Thames in London and Seine in Paris.
Pip. Pre-imperial pub pot. A pub piece manufactured before the introduction of Imperial measure standards in 1826.
Plate. A piece of sadware, 7 to11 inches (180 to 280 mm) in diameter.
Porringer. A small bowl with either one or two handles or "ears". Used for eating soft food such as gruel.
Provenance. Attributions to a maker, owner or locality.
Pub Pot. Lidless drinking mug owned by the tavern or pub. See ‘pip’.
Quaich. A very rare style of Scottish handled bowl somewhat similar to a porringer; probably used for drinking from.