What is "to heave in sight"

Heave \Heave\ (h[=e]v), v. i.

1. To be thrown up or raised; to rise upward, as a tower or mound.

   And the huge columns heave into the sky.
   --Pope.

   Where heaves the turf in many a moldering heap.
   --Gray.

   The heaving sods of Bunker Hill.
   --E. Everett.

2. To rise and fall with alternate motions, as the lungs in heavy breathing, as waves in a heavy sea, as ships on the billows, as the earth when broken up by frost, etc.; to swell; to dilate; to expand; to distend; hence, to labor; to struggle.

   Frequent for breath his panting bosom heaves.
   --Prior.

   The heaving plain of ocean.
   --Byron.

3. To make an effort to raise, throw, or move anything; to strain to do something difficult.

   The Church of England had struggled and heaved at a reformation ever since Wyclif's days.
   --Atterbury.

4. To make an effort to vomit; to retch; to vomit. To heave at.

   1. To make an effort at.

   2. To attack, to oppose. [Obs.]
      --Fuller.

      To heave in sight (as a ship at sea), to come in sight; to appear.

      To heave up, to vomit. [Low]