Catkin, cauliflower, chestnut, clover--gone from the new edition of the Oxford Junior Dictionary. The winnowing of words from the natural world, to replaced with words from the technologically-saturated world of today--cut and paste, broadband and analogue. For seven-year-olds.
Perhaps it's not such a bad thing for dictionaries to keep up with the times.
Of course it isn't. But the notion that it is no longer deemed useful (or necessary) for children to know what a buttercup is has troubled a number of authors (including Margaret Atwood). It's just that some people aren't willing to accept that the wired world trumps the Seven-Acre Wood.