from The Century Dictionary and Cyclopedia
- n. In ichthyology, one of several cartilages which may compose the basis of the pectoral limb of a fish, and to which the series of radialia, or radial cartilages, is attached: as, the propterygial basale; the mesopterygial and metapterygial basalia. See pterygium, and cut under scapulocoracoid.
- n. One of the bones which form the base for the pectoral fin; an actinost.
- n. In crinoids, same as basal, 1.
- n. plural In the nomenclature of the skeletal parts of sponges, recent and fossil, the root-tuft at the base of a silicious hexactinellid sponge, by means of which it attaches itself to the sediment.
Sorry, no etymologies found.