cusp

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. point formed by two intersecting arcs (as from the intrados of a Gothic arch) (Freq. 1)
• Derivationally related forms:
cuspidal
• Hypernyms:
point
2. a thin triangular flap of a heart valve
• Syn:
leaflet
• Derivationally related forms:
leaf (for: leaflet)
• Hypernyms:
flap
• Part Holonyms:
heart valve, cardiac valve
3. small elevation on the grinding surface of a tooth
• Hypernyms:
point, tip, peak
• Part Holonyms:
tooth