bullock's-eyen. (see quot.; cf. bull's-eyen.); also see Compounds 4.
ΘΚΠ
society > inhabiting and dwelling > inhabited place > a building > parts of building > window or door > types of window > [noun] > skylights, etc.
lucarne1548
shop light1602
skylight?c1660
bullock's-eye1728
lunette1742
roof light1763
light well1826
abat-jour1838
light shaft1870
dead-light1882
laylight1932
1728 E. ChambersCycl. at EyeBullock's Eye, or Oeuil de Bœuf, is a little Sky-Light in the Covering, or Roof, intended to illumine a Granary, or the like.