Webster's Revised Unabridged Dictionary · 1913

Elliptic

Elliptic , adjective

[Greek {not transcribed}: compare French 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
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.
Having a part omitted; as, an elliptical phrase.
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.
Collocations (5)
Elliptic chuck , See under Chuck.
Elliptic compasses , an instrument arranged for drawing ellipses.
Elliptic function (Mathematics) , See Function.
Elliptic integral (Mathematics) , See Integral.
Elliptic polarization , See under Polarization.

Also: Elliptical