Elevation. Height above a given plane. May be expressed in lineal measurement, or as an angle. Formerly used as meaning 'altitude'.
Elliot's Eye.* Splice formerly made in rope cable. One strand was unlaid into three smaller ropes: two of these ropes were long-spliced together, the third was eye-spliced. Thimble was then fitted into the two eyes thus formed; the whole being finished off with a seizing and keckling.
Ellipse 127 Engagement
Ellipse. Plane figure bounded by a curve around two points (foci) of such form that the sum of length of two lines drawn from any point in curve to the two foci will be equal to length of major axis. Ellipse is important in that its perimeter is the curve in which any satellite heavenly body goes around its primary.