The Handbook to English Heraldry

by Charles Boutell

Plenitude. The moon when full. See [No. 166].

Plume. See Panache.

Points of Shield. [No. 27]. In Point is the same as In Pile.

Pomme. A green roundle.

Popinjay. A parrot (H. 3).

No. 288.
A Portcullis.

Port. A gateway, as the entrance to a castle: [No. 222].

Portcullis. A defence for a gateway, No. 288: the badge of the Houses of Beaufort and Tudor, borne by the former with the significant motto, “Altera securitas” (additional security).