pre-emptor

from WordNet (r) 3.0 (2006)

pre-emptor
    n 1: someone who acquires land by preemption [syn: {preemptor},
         {pre-emptor}]
    2: a bidder in bridge who makes a preemptive bid [syn:
       {preemptor}, {pre-emptor}]

from The Collaborative International Dictionary of English v.0.48

Preemptor \Pre*["e]mpt"or\ (?; 215), n. [Cf. L. praeemptor.]
   One who pre["e]mpts; esp., one who pre["e]mpts public land.
   [1913 Webster]

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