su·per·cil·i·um | \ ˌsüpə(r)ˈsilēəm \
plural supercilia\-ēə \

Definition of supercilium 

1a : the region of the eyebrows : eyebrow

b : the overhanging margin of a bony cavity (as of the acetabulum)

2a : a fillet surmounting the cymatium in a Roman cornice

b : a fillet above or below the scotia of an Attic base

c : the lintel of a door

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History and Etymology for supercilium

Latin, eyebrow, ridge, pride

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occurring twice a year or every two years

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