1) The word used, in particular by grandmas and those from the south, to call a large sofa, typically brown and furry. The sofas are "L" shaped and decorated with doilies and cheeto dust. Itchy blankets don the arm rest and occasionally orniry cats emerge from in between the cusions. When used in this sense, it is commonly pronounced "Damport"
2) A town in Iowa
3) More simply put, a couch
Grandma: Go wake up your uncle, hes sleeping on the damport
Grandchild: But gramma, last time I came near the davenport Mittens bit me.
Grandma: Hurry up or we'll be late for the town pork roast.