bumper

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a glass filled to the brim (especially as a toast)
- we quaffed a bumper of ale
• Hypernyms:
glass, drinking glass
2. a mechanical device consisting of bars at either end of a vehicle to absorb shock and prevent serious damage
• Derivationally related forms:
bump
• Hypernyms:
mechanical device
• Part Holonyms:
car, auto, automobile, machine, motorcar,
truck, motortruck
• Part Meronyms:
bumper guard