D defs.my
Entry 3 senses Webster, 1913

Elliptic

· El·lip·tic · IPA /ɪˈlɪp.tɪk/
01 a. Of or pertaining to an ellipse; having the form of an ellipse; oblong, with rounded ends.
  1. 1.
    Of or pertaining to an ellipse; having the form of an ellipse; oblong, with rounded ends.
    “The planets move in elliptic orbits.” — Cheyne.
    “The billiard sharp who any one catches, His doom's extremely hard -- He's made to dwell In a dungeon cell On a spot that's always barred. And there he plays extravagant matches In fitless finger-stalls On a cloth untrue With a twisted cue And elliptical billiard balls!” — Gilbert and Sullivan (The Mikado: The More Humane Mikado Song)
  2. 2.
    Having a part omitted; as, an elliptical phrase.
  3. 3.
    leaving out information essential to comprehension; so concise as to be difficult to understand; obscure or ambiguous; -- of speech or writing; as, an elliptical comment.
Phrases & compounds
Elliptic chuck — See under Chuck.
Elliptic compasses — an instrument arranged for drawing ellipses.
Elliptic function — See Function.
Elliptic integral — See Integral.
Elliptic polarization — See under Polarization.