The Collaborative International Dictionary of English v.0.48:

Squirt \Squirt\ (skw[~e]rt), v. t. [imp. & p. p. Squirted; p.
   pr. & vb. n. Squirting.] [Cf. LG. swirtjen to squirt, OSw.
   sqv[aum]tta, E. squander.]
   To drive or eject in a stream out of a narrow pipe or
   orifice; as, to squirt water.
   [1913 Webster]

         The hard-featured miscreant coolly rolled his tobacco
         in his cheek, and squirted the juice into the fire
         grate.                                   --Sir W.
                                                  Scott.
   [1913 Webster]

   Squirting cucumber. (Bot.) See Ecballium.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Cucumber \Cu"cum*ber\ (k?`k?m-b?r, formerly kou"k?m-b?r), n.
   [OE. cucumer, cocumber, cucumber, fr. L. cucmis,
   gen.cucumeris; cf. OF. cocombre,F. concombre.] (Bot.)
   A creeping plant, and its fruit, of several species of the
   genus Cucumis, esp. Cucumis sativus, the unripe fruit of
   which is eaten either fresh or picked. Also, similar plants
   or fruits of several other genera. See below.
   [1913 Webster]

   Bitter cucumber (Bot.), the Citrullus Colocynthis syn.
      Cucumis Colocynthis. See Colocynth.

   Cucumber beetle. (Zool.)
   (a) A small, black flea-beetle (Crepidodera cucumeris),
       which destroys the leaves of cucumber, squash, and melon
       vines.
   (b) The squash beetle.

   Cucumber tree.
   (a) A large ornamental or shade tree of the genus Magnolia
       (Magnolia acuminata), so called from a slight
       resemblance of its young fruit to a small cucumber.
   (b) An East Indian plant (Averrhoa Bilimbi) which produces
       the fruit known as bilimbi.

   Jamaica cucumber, Jerusalem cucumber, the prickly-fruited
      gherkin (Cucumis Anguria).

   Snake cucumber, a species (Cucumis flexuosus) remarkable
      for its long, curiously-shaped fruit.

   Squirting cucumber, a plant (Ecbalium Elaterium) whose
      small oval fruit separates from the footstalk when ripe
      and expels its seeds and juice with considerable force
      through the opening thus made. See Elaterium.

   Star cucumber, a climbing weed (Sicyos angulatus) with
      prickly fruit.
      [1913 Webster]

WordNet (r) 3.0 (2006):

squirting cucumber
    n 1: Mediterranean vine having oblong fruit that when ripe
         expels its seeds and juice violently when touched [syn:
         squirting cucumber, exploding cucumber, touch-me-not,
         Ecballium elaterium]