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.