Epiphora is-
Excessive secretion of tears → hyperlacriination.
Obstruction to the outflow of normally secreted tears or due to lacrimal pump failure → epiphora.
Cerebrospinal fluid running from the nose after fracture of anterior cranial fossa
An epiphenomenors of a cerebral tumor
An abnormal overflow of tears due to obstruction of lacrimal duct
Eversion of lower eyelid following injury