1. 
[syn: ejaculation, interjection]
2.  the discharge of semen in males; 
The Collaborative International Dictionary of English v.0.48:
Ejaculation \E*jac`u*la"tion\, n. [Cf. F. ['e]jaculation.]
   1. The act of throwing or darting out with a sudden force and
      rapid flight. [Archaic or Technical] "An ejaculation or
      irradiation of the eye." --Bacon.
      [1913 Webster]
   2. The uttering of a short, sudden exclamation or prayer, or
      the exclamation or prayer uttered.
      [1913 Webster]
            In your dressing, let there be jaculations fitted to
            the several actions of dressing.      --Jer. Taylor.
      [1913 Webster]
   3. (Physiol.) The act of ejecting or suddenly throwing, as a
      fluid from a duct.
      [1913 Webster]
WordNet (r) 3.0 (2006):
ejaculation
    n 1: an abrupt emphatic exclamation expressing emotion [syn:
         ejaculation, interjection]
    2: the discharge of semen in males
Moby Thesaurus II by Grady Ward, 1.0:
29 Moby Thesaurus words for "ejaculation":
   blowout, blurt, discharge, disgorgement, ecphonesis, effusion,
   egestion, ejection, elimination, emission, eructation, eruption,
   exclamation, excretion, expletive, expulsion, extravasation,
   extrusion, exudation, flow, flux, jet, outburst, outpour,
   secretion, spout, spurt, squirt, transudation