Source : Webster's Revised Unabridged Dictionary (1913)

Collide \Col*lide"\, v. t.
   To strike or dash against. [Obs.]

         Scintillations are . . . inflammable effluencies from
         the bodies collided.                     --Sir T.
                                                  Browne.

Collide \Col*lide"\, v. i. [L. collidere, collisum; col- +
   laedere to strike. See {Lesion}.]
   To strike or dash against each other; to come into collision;
   to clash; as, the vessels collided; their interests collided.

         Across this space the attraction urges them. They
         collide, they recoil, they oscillate.    --Tyndall.

         No longer rocking and swaying, but clashing and
         colliding.                               --Carlyle.

Source : WordNet®

collide
     v 1: crash together with violent impact; "The cars collided";
          "Two meteors clashed" [syn: {clash}]
     2: be incompatible; be or come into conflict; "These colors
        clash" [syn: {clash}, {jar}]
     3: cause to collide; "The physicists collided the particles"