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Webster 1913 Edition

Noun.

The filling or covering with water or other fluid; overflow; inundation; the filling anything to excess.

(Med.)

An abnormal or excessive discharge of blood from the uterus.

Dunglison.

ppr.

Overflowing; inundating.

Noun.

Any preternatural discharge of blood from the uterus.

flooding

flooding ‎(plural floodings)

An act of flooding; a flood or gush.
- Mark Twain
  And by the same token it was plain that there had also been a hundred and seventy-five floodings of the earth and depositings of limestone strata!

act of flooding