a plate on an entrance door, bearing the number, occupant's name, etc.
doorplate in American English
(ˈdɔrˌpleit, ˈdour-)
noun
a small identification plate on the outside door of a house or room, bearing the occupant's name, the apartment or house number, or the like
Word origin
[1815–25; door + plate1]This word is first recorded in the period 1815–25. Other words that entered Englishat around the same time include: aesthetic, coupon, diorama, reamer, welterweight
Examples of 'doorplate' in a sentence
doorplate
Ten minutes later, after knocking at a door with a tiny doorplate, the entrance was found.