Webster’s Revised Unabridged Dictionary · 1913
Elliptic
El·lip′tic, El·lip′tic·al, a. [Gr. ἐλλειπτικός: cf. F. elliptique. See Ellipsis.] 1. Of or pertaining to an ellipse; having the form of an ellipse; oblong, with rounded ends.
The planets move in elliptic orbits. Cheyne.
2. Having a part omitted; as, an elliptical phrase.
Elliptic chuck. See under Chuck. — Elliptic compasses, an instrument arranged for drawing ellipses. — Elliptic function. (Math.) See Function. — Elliptic integral. (Math.) See Integral. — Elliptic polarization. See under Polarization.