(transitive) To be unfaithful to one's (sexual) partner. / (transitive) To double-cross.

An automatic safety feature of nuclear reactors where the control rods are automatically dropped into the reactor core when any of several emergency conditions are reached.

Any virus of the family Flexiviridae (now split into Alphaflexiviridae, Betaflexiviridae, Gammaflexiviridae and Deltaflexiviridae

plural of Wiker