D defs.my
Entry 3 senses Webster, 1913

Speculator

/(spĕk"ū̇*lā`tẽr)/ · Spec·u·la·tor · IPA /spˈɛkjəlˌeɪtər/
01 n. One who speculates. Specifically: (a) An observer; a contemplator; hence, a spy; a watcher.
  1. 1.
    One who speculates. Specifically: (a) An observer; a contemplator; hence, a spy; a watcher.[Obs.]
  2. 2.
    One who forms theories; a theorist.
    “A speculator who had dared to affirm that the human soul is by nature mortal.” Macaulay.
  3. 3.
    One who engages in speculation; one who buys and sells goods, land, etc., with the expectation of deriving profit from fluctuations in price.(Com.)