The Collaborative International Dictionary of English v.0.48:

Reclining \Re*clin"ing\, a. (Bot.)
      (a) Bending or curving gradually back from the
          perpendicular.
      (b) Recumbent.
          [1913 Webster]

   Reclining dial, a dial whose plane is inclined to the
      vertical line through its center. --Davies & Peck (Math.
      Dict.).
      [1913 Webster]