carina

Từ điển WordNet v3.1 - WordNet Dictionary

noun

any of various keel-shaped structures or ridges such as that on the breastbone of a bird or that formed by the fused petals of a pea blossom
• Hypernyms:
structure, anatomical structure, complex body part, bodily structure, body structure
• Hyponyms:
carina fornicis, keel