curbing

Từ điển WordNet v3.1 - WordNet Dictionary

noun

an edge between a sidewalk and a roadway consisting of a line of curbstones (usually forming part of a gutter)
• Syn:
curb, kerb
• Derivationally related forms:
curb (for: curb)
• Hypernyms:
edge
• Part Meronyms:
curbstone, kerbstone