WotD: simulacrum

sim·u·la·crum

(sĭm′yə-lā′krəm, -lăk′rəm)

n. pl. sim·u·la·cra (-lā′krə, -lăk′rə)

1. An image or representation.
2. An unreal or vague semblance.

From http://www.thefreedictionary.com/simulacrum