1. Either of two slender bones in humans that extend from the manubrium of the sternum to the acromion of the scapula. Also called collarbone.
2. One of the bones of the pectoral girdle in many vertebrates.
[New Latin clāvīcula, from Latin, diminutive of clāvis, key (from its shape).]
cla·vicu·lar (klə-vĭkyə-lər) adj.
cla·vicu·late′ (-lāt′) adj.
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Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
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