ren·coun·ter 
(rĕn-kountər) Archaic
(rĕn-kountər) Archaic n.
1. An unplanned meeting.
2. A hostile encounter or contest.
tr. & intr.v. ren·coun·tered, ren·coun·ter·ing, ren·coun·ters
To meet unexpectedly or have an unexpected meeting.
[French rencontre, from Old French, from rencontrer, to meet : re-, re- + encontrer, to meet; see ENCOUNTER.]