v. 1 tr. & intr. (often foll. by with) a combine or be combined. b join or blend gradually. 2 intr. & tr. (foll. by in) lose or cause to lose character and identity in (something else). 3 tr. (foll. by in) embody (a title or estate) in (a larger one). mergence n.
[ L mergere mers- dip, plunge, partly through legal AF merger ]