from the GNU version of the Collaborative International Dictionary of English
- n. The second element in each half of a hemal arch, corresponding to the sternal part of a rib.
from The Century Dictionary and Cyclopedia
- n. The second element of the typical hemal arch of a vertebra, situated between the pleurapophysis and the hemal spine, corresponding in part to the neurapophysis of the neural arch.
- n. A lateral process in fishes to which the rib is usually attached.
Sorry, no etymologies found.