Equator

( e - kzva’ - tor ) \cequare, to make equal]. An imaginary circle surrounding a sphere so as to divide it into equal halves. E. of a Cell, the boundary of the plane through which division takes place. E. of the Eye, the sequator oculi; a line joining the four extremities of the transverse and vertical axes of the eye. Equilibrating 0^xzX\ori{e-kwilf -ib-ra-ting). An operation on the ocular muscles to equalize their action in cases of squint. 263