kneepan

Từ điển Oxford Learners Wordfinder Dictionary

noun

a small flat triangular bone in front of the knee that protects the knee joint
• Syn:
patella, kneecap
• Derivationally related forms:
patellar (for: patella)
• Hypernyms:
sesamoid bone, sesamoid, os sesamoideum
• Part Holonyms:
knee, knee joint, human knee, articulatio genus, genu