The Collaborative International Dictionary of English v.0.48:

Ejaculate \E*jac"u*late\, v. t. [imp. & p. p. Ejaculated; p.
   pr. & vb. n. Ejaculating.] [L. ejaculatus, p. p. of
   ejaculari to throw out; e out + ejaculari to throw, fr.
   jaculum javelin, dart, fr. jacere to throw. See Eject.]
   1. To throw out suddenly and swiftly, as if a dart; to dart;
      to eject. [Archaic or Technical]
      [1913 Webster]

            Its active rays ejaculated thence.    --Blackmore.
      [1913 Webster]

   2. To throw out, as an exclamation; to utter by a brief and
      sudden impulse; as, to ejaculate a prayer.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Ejaculate \E*jac"u*late\, v. i.
   1. To utter ejaculations; to make short and hasty
      exclamations. [R.] "Ejaculating to himself." --Sir W.
      Scott.
      [1913 Webster]

   2. to eject semen; -- of a male animal (esp. a human or other
      mammal) during coitus.
      [PJC]

WordNet (r) 3.0 (2006):

ejaculate
    n 1: the thick white fluid containing spermatozoa that is
         ejaculated by the male genital tract [syn: semen, seed,
         seminal fluid, ejaculate, cum, come]
    v 1: utter impulsively; "He blurted out the secret"; "He
         blundered his stupid ideas" [syn: blurt out, blurt,
         blunder out, blunder, ejaculate]
    2: eject semen