from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A bone located in front of the sternum and between the clavicles in certain vertebrates, such as reptiles and amphibians.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The episternum.
from the GNU version of the Collaborative International Dictionary of English
- n. See episternum.
from The Century Dictionary and Cyclopedia
- n. In zoology and anatomy, a median membrane bone developed between the clavicles, or in front of the breast-bone, in many Vertebrata.
inter- + clavicle (Wiktionary)