cingulum

[sing-gyuh-luh m] /ˈsɪŋ gyə ləm/
noun, plural cingula
[sing-gyuh-luh] /ˈsɪŋ gyə lə/ (Show IPA)
1.
Anatomy, Zoology. a belt, zone, or girdlelike part.
2.
Dentistry. basal ridge.
Origin
1835-45; < Latin: girdle, zone, equivalent to cing- (stem of cingere to gird; see cincture) + -ulum -ule
Related forms
cingulate
[sing-gyuh-lit, -leyt] /ˈsɪŋ gyə lɪt, -ˌleɪt/ (Show IPA),
cingulated, cingular, adjective
British Dictionary definitions for cingulum

cingulum

/ˈsɪŋɡjʊləm/
noun (pl) -la (-lə)
1.
(anatomy) a girdle-like part, such as the ridge round the base of a tooth or the band of fibres connecting parts of the cerebrum
Derived Forms
cingulate (ˈsɪŋɡjʊlɪt; -ˌleɪt), cingulated, adjective
Word Origin
C19: from Latin: belt, from cingere to gird
cingulum in Medicine

cingulum cin·gu·lum (sĭng'gyə-ləm)
n. pl. cin·gu·la (-lə)

  1. A structure that has the form of a belt or girdle.

  2. A well-marked fiber bundle passing longitudinally in the white matter of the cingulate gyrus, composed largely of fibers from the anterior thalamic nucleus to the cingulate and parahippocampal gyri.