girdle bone (gerdlbon)

[Tr. of F. os en cein ture.] In an at., a bone of the skull of batrachians, representing an ethmoid, prefrontals, and or bito sphenoids. Tennyson, Talking Oak. The Frog's skull is characterized by the development of a very singular cartilage bone, called by QJ IMG:content-2323.png:[blocks in formation] 4. In gem - cutting, the line or edge that separates the upper from the lower part of a brilliant or other cut stone. It is parallel to the table and culet, and is the part held by the setting. See cut under brilliant. - 5. In arch., a small band or fillet round the shaft of a column.-6. In coal-mining, a thin bed of sandstone. [North. Eng.]-7. In an at., the o eous arch or bony belt by which either limb or diverging appendage is attached to the axial skeleton; the proximal segment of the appendicular skeleton.8. In bot., a (usually) longitudinal belt formed by the overlapping edges of two valves of a diatom frustule.-9. A seaweed, Laminaria digit a ta, the divisions of whose fronds are strap-like. -like. -Girdle of Orion. See Orion, and ellwand, 2.- Ресtoral girdle, the girdle of the fore limb, consisting e entially of the scapula and coracoid bones, to which another bone, the clavicle, may be added, as well as, in the lower vertebrates, certain other coracoid ean or clavicular elements, as a pre coracoid, post coracoid, interclavicle, etc. This girdle is usually attached ventrally (not in mammals above monotremes) to the sternum, but is only indirectly connected with the vertebral column. Also called pec toral arch and shoulder - girdle. - Pelvic girdle, the girdle of the hind limb, consisting of the ilium, ischium, and pubis, in the higher vertebrates constituting the os in nomina tum or haunch-bone, articulated or ankylosed with the sacrum; in the lower vertebrates it may have additional pubic elements. Also called pelvic arch and hip girdle. To have or hold under one's girdlet, to have in subjection. Davies. Such a wicked brothell Which sayth under his girthell He holdeth Kyngs and Princes. Cuvier the "os en ceinture," or girdle bone. This is an o ification which invades the whole circumference of the cranium in the pre sphenoidal and ethmoidal regions, and eventually a umes somewhat Pro FO Chondrocranium of Frog (Rana escu lent a ), from below. y, girdle-bone or os en ceinture; EO, exoccipital; Pro, proōtic; Q7, quad rato jugal. the form of a dice-box, with one-half of its cavity divided by a longitudinal partition. Huxley, Anat. Vert., p. 152. girdle-knife (ger'dl-nīf), n. A knife hanging from the girdle. Prior to the use of table-knives it was customary to carry a sheath-knife about the person. Both men and women wore such a knife usually from the girdle. Compare wedding - knife.