(1):

(n.) An inscription on, or at, a tomb, or a grave, in memory or commendation of the one buried there; a sepulchral inscription.

(2):

(n.) A brief writing formed as if to be inscribed on a monument, as that concerning Alexander: "Sufficit huic tumulus, cui non sufficeret orbis."

(3):

(v. t.) To commemorate by an epitaph.

(4):

(v. i.) To write or speak after the manner of an epitaph.