Parole d’honneur.—Word of honour.
Pars pro toto.—Part for the whole.
Particeps criminis.—An accomplice.
Parturiunt montes, nascetur ridiculus mus.—The mountains are in labour; a ridiculous mouse will be brought forth.
Parva componere magnis.—To compare small things with great.
Parvenu.—A new comer; an upstart.
Pas.—A step; precedence.
Passe-partout.—A master-key.
Passim.—In many places; everywhere.
Paterfamilias.—The father of a family.