doorstep

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the sill of a door;
a horizontal piece of wood or stone that forms the bottom of a doorway and offers support when passing through a doorway
• Syn:
doorsill, threshold
• Hypernyms:
sill
• Part Holonyms:
doorway, door, room access, threshold

• Từ đồng nghĩa / Synonyms:
  doorsill, threshold