girdle

(gûrˈdl)

1. a. A belt or sash worn around the waist.
   b. Something that encircles like a belt.
   c. An elasticized, flexible undergarment worn over the waist and hips, especially by women, to give the body a more slender appearance.
2. A band made around the trunk of a tree by the removal of a strip of bark.
3. The edge of a cut gem held by the setting.
4. Anatomy The pelvic or pectoral girdle.

1. To encircle with or as if with a belt. See Synonyms at surround.
2. To circle around: a ring of hills that girdled the city.
3. To remove a band of bark and cambium from the circumference of (a tree), usually in order to kill it.

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girdle

brilliant-cut gemstone